Mid-Atlantic · 1 field file

Current field files in Maryland.

The Atlas is curated, not exhaustive. These are the sourced files in Maryland in Volume 01, each with its own access status, evidence label, and check date. Nothing here is statewide travel advice.

Category coverage
Public-access summary
Antietam National Battlefield: National battlefield.
Last content review
Catalog reviewed July 2026. Each file carries its own source-check date. Conditions change; check the primary source before traveling.

Field files

  1. MilitarySharpsburg, MD

    Antietam 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 2026

Across the line

Files in other states within 200 straight-line miles of a Maryland file. Distances are not drive distances.

  1. MilitaryDelaware City, DE116 mi straight line

    Fort Delaware

    A masonry fortress on Pea Patch Island that held Confederate prisoners during the Civil War.

    DocumentedSeasonalTicketed3 to 5 hoursChecked July 2026
  2. MilitaryMechanicsville, VA132 mi straight line

    Cold Harbor Battlefield

    A preserved Civil War battlefield of trenches, walking trails, monuments, and a national cemetery.

    DocumentedPublicFree1 to 3 hoursChecked July 2026
  3. MuseumPhiladelphia, PA141 mi straight line

    Eastern State Penitentiary

    A radial prison ruin whose cell blocks now support interpretation of incarceration, architecture, and criminal justice.

    DocumentedTicketedTicketed2 to 4 hoursChecked July 2026
  4. MuseumMount Holly, NJ158 mi straight line

    Burlington 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 2026
  5. MuseumMoundsville, WV163 mi straight line

    West 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 2026
  6. CryptidRegional anchor, New Jersey169 mi straight line

    Jersey 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 2026

Official sources used in Maryland

Also in Mid-Atlantic: Delaware, New Jersey, New York, Pennsylvania, Virginia, West Virginia.