Kennecott Mines
A remote copper-mining town preserved inside Wrangell-St. Elias, where weathered buildings sit below the old concentration mill.
DocumentedPublicCheck the sourceHalf day or moreChecked July 2026
Field files
The complete index.
66 sourced field files across all 50 states. History, folklore, and access rules are labeled on every record. The Atlas is curated, not exhaustive.
66 of 66 field files.
Sloss Furnaces
A preserved blast-furnace complex where iron was made for nearly a century, now held as an industrial history landmark.
DocumentedPublicCheck the source1 to 2 hoursChecked July 2026Fort Smith National Historic Site
A former frontier fort, federal courthouse, and jail complex tied to the expansion of federal law into Indian Territory.
DocumentedPublicCheck the source1 to 3 hoursChecked July 2026Fouke Monster
A 1971 report of a large, hairy, red-eyed creature near Fouke became a national story and inspired the film The Legend of Boggy Creek.
Folklore + reportsPublicVaries1 to 2 hoursChecked July 2026Jerome State Historic Park
A mining-history museum in the Douglas Mansion overlooking the steep streets and scarred hills of an old copper town.
DocumentedTicketedFee or pass1 to 2 hoursChecked July 2026Alcatraz Island
A former military fort and federal prison on a cold, exposed island in San Francisco Bay.
DocumentedTicketedTicketed3 to 5 hoursChecked July 2026Ludlow Massacre Monument
A memorial and interpreted site marking the deadly 1914 attack on a coal-strikers' tent colony.
DocumentedPublicFree45 to 90 minutesChecked July 2026Old New-Gate Prison & Copper Mine
A colonial copper mine later used as Connecticut's first state prison, with underground workings and surviving prison ruins.
DocumentedTicketedFee or pass1 to 2 hoursChecked July 2026Fort Delaware
A masonry fortress on Pea Patch Island that held Confederate prisoners during the Civil War.
DocumentedSeasonalTicketed3 to 5 hoursChecked July 2026Fort Jefferson
A massive unfinished coastal fortress rising from Garden Key, far beyond the end of the Florida Keys.
DocumentedTicketedFee or passFull dayChecked July 2026Skunk Ape
Florida's foul-smelling Bigfoot counterpart is reputed to roam the Everglades, with an eccentric roadside research stop near Ochopee.
Folklore + reportsPublicFee or pass1 to 3 hoursChecked July 2026Andersonville National Historic Site
The site of Camp Sumter Civil War prison, Andersonville National Cemetery, and the National Prisoner of War Museum.
DocumentedPublicCheck the source2 to 4 hoursChecked July 2026Pearl Harbor National Memorial
A memorial landscape centered on the attack of December 7, 1941, including the USS Arizona Memorial above the sunken battleship.
DocumentedPublicFee or pass2 to 5 hoursChecked July 2026Villisca Axe Murder House
The preserved home where eight people were murdered in 1912, a crime that remains officially unsolved.
DocumentedGuided onlyTicketed1 to 2 hoursChecked July 2026Old Idaho Penitentiary
A territorial-era prison complex of sandstone cell houses, walls, yards, and exhibits spanning more than a century of confinement.
DocumentedTicketedFee or pass1 to 3 hoursChecked July 2026Old Joliet Prison
A towering limestone prison complex opened in the nineteenth century and now interpreted through authorized tours.
DocumentedGuided onlyTicketed1 to 3 hoursChecked July 2026Indiana Medical History Museum
A preserved pathology building from the former Central State Hospital, filled with laboratories, instruments, and teaching collections.
DocumentedTicketedFee or pass1 to 2 hoursChecked July 2026Strataca
A museum 650 feet below ground inside a working salt deposit, reached by a controlled mine descent.
DocumentedTicketedTicketed2 to 3 hoursChecked July 2026Mammoth Cave
The world's longest known cave system, with human history, enormous passages, and routes ranging from accessible to demanding.
DocumentedGuided onlyTicketed2 hours to full dayChecked July 2026Whitney Plantation
A museum and historic plantation site centered on the lives and experiences of enslaved people.
DocumentedTicketedTicketed2 to 3 hoursChecked July 2026Salem Witch Museum
A long-running museum interpreting the 1692 witch trials and the machinery of fear and accusation around them.
DocumentedTicketedTicketed1 to 2 hoursChecked July 2026Antietam National Battlefield
The preserved landscape of the bloodiest single day in American history, with roads, fields, monuments, and a national cemetery.
DocumentedPublicFee or pass3 hours to full dayChecked July 2026Fort Knox Historic Site
A granite coastal fort with long passageways, vaulted chambers, and views over the Penobscot Narrows.
DocumentedSeasonalFee or pass1 to 3 hoursChecked July 2026Fayette Historic State Park
A preserved iron-smelting company town on Lake Michigan, with furnace ruins, workers' buildings, and a sheltered harbor.
DocumentedPublicFee or pass2 to 4 hoursChecked July 2026Soudan Underground Mine
Minnesota's oldest iron mine, interpreted through seasonal underground tours and surface mining history.
DocumentedSeasonalFee or pass2 to 3 hoursChecked July 2026Missouri State Penitentiary
A former prison opened in 1836, now accessible through historical tours of cells, yards, and institutional spaces.
History + folkloreGuided onlyTicketed2 to 3 hoursChecked July 2026Vicksburg National Military Park
A vast battlefield and siege landscape lined with earthworks, monuments, artillery, and the restored USS Cairo.
DocumentedPublicFee or pass3 hours to full dayChecked July 2026Garnet Ghost Town
A preserved mountain mining town managed by the Bureau of Land Management, with cabins, commercial buildings, and winter isolation.
DocumentedPublicFee or pass2 to 4 hoursChecked July 2026Battleship North Carolina
A preserved World War II battleship whose decks, machinery spaces, and crew compartments can be explored on a self-guided route.
DocumentedTicketedTicketed2 to 4 hoursChecked July 2026Ronald Reagan Minuteman Missile Site
Two preserved Cold War sites interpreting the crews, machinery, and routine behind a Minuteman missile alert facility.
DocumentedTicketedFee or pass2 to 4 hoursChecked July 2026Fort Robinson State Park
A sprawling former Army post tied to the Plains wars, military training, prisoner-of-war history, and the death of Crazy Horse.
DocumentedPublicFee or passHalf day or moreChecked July 2026Madame Sherri Forest
A protected forest containing the stone remnants of Madame Antoinette Sherri's elaborate former summer house.
DocumentedPublicFree1 to 3 hoursChecked July 2026Burlington County Prison Museum
A preserved early nineteenth-century prison designed by architect Robert Mills, with cells, corridors, and prisoner graffiti.
DocumentedScheduled daysCheck the source1 to 2 hoursChecked July 2026Jersey Devil
New Jersey folklore places a hooved, winged creature in the Pine Barrens and connects it to several competing Mother Leeds origin stories.
Folklore + reportsPublicVaries2 to 5 hoursChecked July 2026National Museum of Nuclear Science & History
A museum tracing nuclear science, weapons, energy, medicine, and the human consequences of the atomic age.
DocumentedTicketedTicketed2 to 4 hoursChecked July 2026Rhyolite Historic Area
The skeletal remains of a short-lived gold-rush boomtown, including the Cook Bank ruins and a preserved bottle house.
DocumentedPublicFree1 to 2 hoursChecked July 2026The Green-Wood Cemetery
A vast nineteenth-century cemetery of hills, monuments, mausoleums, trees, and more than half a million permanent residents.
DocumentedPublicVaries2 to 5 hoursChecked July 2026Loveland Frogman
Ohio folklore gives Loveland an amphibious humanoid known as the Frogman, now recognized in Ohio History Connection programming about the state's cryptids.
Folklore + reportsPublicFreeUnder 1 hourChecked July 2026Ohio State Reformatory
A monumental former reformatory of steel cell blocks, stone corridors, and preserved institutional spaces.
History + folkloreTicketedTicketed2 to 4 hoursChecked July 2026Oklahoma City National Memorial
A memorial and museum on the site of the 1995 bombing of the Alfred P. Murrah Federal Building.
DocumentedPublicVaries2 to 4 hoursChecked July 2026Fort Stevens + Peter Iredale
A former coastal-defense fort paired with the rusting remains of the Peter Iredale shipwreck on the edge of the Graveyard of the Pacific.
DocumentedPublicCheck the source2 to 5 hoursChecked July 2026OSH Museum of Mental Health
A museum inside the Oregon State Hospital's Kirkbride Building that confronts the institution's history and the changing treatment of mental illness.
DocumentedTicketedFee or pass1 to 2 hoursChecked July 2026Pendleton Underground
A guided route through spaces beneath downtown Pendleton, presented by a nonprofit tour organization founded in 1989.
History + folkloreReservation requiredTicketedAbout 90 minutesChecked July 2026Stone House, Witch's Castle
A roofless stone park shelter hidden in a forest ravine, widely nicknamed the Witch's Castle despite its much less supernatural origin.
History + folklorePublicFree1 to 2 hoursChecked July 2026Eastern State Penitentiary
A radial prison ruin whose cell blocks now support interpretation of incarceration, architecture, and criminal justice.
DocumentedTicketedTicketed2 to 4 hoursChecked July 2026Fort Adams
A massive coastal fortification guarding Newport Harbor, with ramparts, casemates, and underground listening tunnels.
DocumentedPublicTicketed2 to 4 hoursChecked July 2026Fort Sumter
The harbor fort where the first shots of the Civil War were fired, reached today by authorized boat service.
DocumentedTicketedTicketed2 to 4 hoursChecked July 2026Minuteman Missile National Historic Site
Preserved Cold War missile facilities that expose the machinery and human routine behind nuclear deterrence.
DocumentedPublicCheck the source2 to 5 hoursChecked July 2026Historic Brushy Mountain State Penitentiary
A former maximum-security prison built in a mountain hollow and now open through controlled historical tours and events.
History + folkloreTicketedTicketed2 to 4 hoursChecked July 2026National Museum of Funeral History
A museum devoted to death-care history, from hearses and embalming to mourning customs and presidential funerals.
DocumentedTicketedTicketed2 to 3 hoursChecked July 2026Topaz Museum & Historic Site
A museum and remote camp site preserving the history of Japanese Americans incarcerated at Topaz during World War II.
DocumentedPublicCheck the source2 to 4 hoursChecked July 2026Cold Harbor Battlefield
A preserved Civil War battlefield of trenches, walking trails, monuments, and a national cemetery.
DocumentedPublicFree1 to 3 hoursChecked July 2026Bennington Battle Monument
A 306-foot stone monument commemorating the pivotal 1777 Battle of Bennington.
DocumentedSeasonalFee or pass1 to 2 hoursChecked July 2026Champ
Lake Champlain's creature legend, known as Champ, has drawn decades of sightings, searches, and competing explanations ranging from sturgeon to large otters.
Folklore + reportsPublicVaries1 to 4 hoursChecked July 2026Ape Cave
The longest lava tube in the continental United States, formed by an eruption roughly two millennia ago beneath what is now Mount St. Helens country.
DocumentedReservation requiredFee or pass1 to 4 hoursChecked July 2026Bigfoot of Washington
Washington's forests sit at the center of a long-running Bigfoot tradition, with modern reports describing a tall, hair-covered figure moving upright.
Folklore + reportsPublicFree1 to 3 hoursChecked July 2026Fort Worden Batteries
Concrete gun batteries, dark corridors, and empty emplacements built to guard the entrance to Puget Sound from the late 1890s onward.
DocumentedPublicFee or pass2 to 5 hoursChecked July 2026Georgetown Steam Plant
A 1906 industrial cathedral of turbines, catwalks, brick, and steel that helped prove steam power could feed a fast-growing city.
DocumentedScheduled daysFree1 to 2 hoursChecked July 2026Maryhill Stonehenge
A full-scale concrete Stonehenge replica completed in 1929 as a memorial to Klickitat County service members killed in World War I.
DocumentedPublicFree45 to 90 minutesChecked July 2026Northern State Recreation Area
A 726-acre public recreation area on part of the former Northern State Hospital farm, with 1921 dairy-barn ruins overlooking the meadows.
DocumentedPublicFree1 to 3 hoursChecked July 2026Seattle Underground
Buried storefronts and sidewalks left below Pioneer Square after Seattle rebuilt above its old street level following the Great Fire of 1889.
DocumentedGuided onlyTicketed75 minutesChecked July 2026Beast of Bray Road
Reports from rural Elkhorn in the late 1980s gave Wisconsin a modern wolf-like cryptid legend called the Beast of Bray Road.
Folklore + reportsPublicFreeUnder 1 hourChecked July 2026Wisconsin Maritime Museum & USS Cobia
A maritime museum anchored by USS Cobia, a preserved World War II submarine open through guided tours.
DocumentedTicketedTicketed2 to 4 hoursChecked July 2026Mothman
Two couples reported a large, red-eyed winged figure near Point Pleasant's former TNT area on November 15, 1966, launching the Mothman legend.
Folklore + reportsPublicFee or pass1 to 3 hoursChecked July 2026West Virginia Penitentiary
A castellated former state prison open for historical tours through cell blocks, yards, and execution-era spaces.
History + folkloreGuided onlyTicketed2 to 3 hoursChecked July 2026Heart Mountain Interpretive Center
A museum and National Historic Landmark preserving the site where Japanese Americans were incarcerated during World War II.
DocumentedTicketedFee or pass2 to 4 hoursChecked July 2026