difreda's User Profile - Atlas Obscura
Unusual adventures and hidden discoveries. Explore our 2018 trips now »
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Main gate.
Philadelphia, Pennsylvania

Fort Mifflin

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.
39.8774, -75.2136
The wall of Fort Frederick
Big Pool, Maryland

Fort Frederick

A star fort along the C&O Canal in western Maryland that protected America in three wars.
39.6135, -78.0062
Cumberland, Maryland

LaVale Toll Gate House

The first (and last standing) toll house on America's first federal road established Maryland as the "Gateway to the West."
39.6379, -78.8522
Paw Paw Tunnel
Oldtown, Maryland

Paw Paw Tunnel

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.
39.5504, -78.4629
The small cabin served as George Washington's headquarters.
Cumberland, Maryland

George Washington's Headquarters

This one-room cabin where the young colonel slept during the French and Indian War. .
39.6496, -78.7647
This is what you'd stand on before you start to break out in a cold sweat and say to yourself, "what was i thinking?".
Smithsburg, Maryland

Abandoned Hang-gliding Launch Pad

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.
39.6950, -77.5236
Correspondent's Memorial while passing through on the Appalachian Trail.
Jefferson, Maryland

War Correspondents Memorial

One of the only memorials dedicated to journalists who died in combat.
39.4057, -77.6393
The shape has been compared to that of a milk bottle.
Middletown, Maryland

The (First) Washington Monument

Built by the patriotic residents of Boonsboro in a single day.
39.5005, -77.6232
Frederick, Maryland

National Museum of Civil War Medicine

A Civil War Museum with some notable medical antiques.
39.4139, -77.4094
One-Million-Liter Test Sphere in 2001.
Frederick, Maryland

One-Million-Liter Test Sphere

This four-story steel sphere in Maryland was used to test biological weapons.
39.4353, -77.4291
The lighthouse.
Key Biscayne, Florida

Cape Florida Lighthouse

Located within a historic park, the beacon is the oldest standing structure in Miami.
Sponsored by Visit Florida
Catacombs of Washington, D.C.
Washington, D.C.

Catacombs of Washington, D.C.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.
38.9376, -76.9846
Stick your feet in!
Berkeley Springs, West Virginia

George Washington's Bathtub

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."
39.6256, -78.2269
Berkeley Springs Castle
Berkeley Springs, West Virginia

Berkeley Springs Castle

A wealthy widow lived the high life in this Gilded Age country house.
39.6274, -78.2300
Aristes, Pennsylvania

Centralia

A toxic ghost town sitting atop a massive coal fire.
40.8042, -76.3409
Philadelphia, Pennsylvania

Laurel Hill Cemetery

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.
40.0042, -75.1876
The cave from the front.
Philadelphia, Pennsylvania

Cave of Kelpius

Where America's first doomsday cult awaited the end of the world.
40.0238, -75.2016
Sculpted figures lounge in the Swann Memorial Fountain
Philadelphia, Pennsylvania

Swann Memorial Fountain

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.
39.9586, -75.1706
The orb knocks over the pegs through the course of the day.
Philadelphia, Pennsylvania

Foucault Pendulum at the Franklin Institute

A daily replay of the experiment that proved the rotation of the Earth.
39.9582, -75.1731
The Rocky Statue in front of the Philadelphia Art Museum
Philadelphia, Pennsylvania

Rocky Statue

Yo, Adrian!
39.9650, -75.1792
Philadelphia, Pennsylvania

Eastern State Penitentiary

World's first "penitentiary," meant to be humane, drove men insane.
39.9673, -75.1737
Nine Mile Canyon - the BLM has advised it as "an area of critical environmental concern"
Carbon County, Utah

Nine Mile Canyon

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.
39.7762, -110.4964
Mount Davis
Salisbury, Pennsylvania

Mount Davis

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.
39.7862, -79.1759
Spruce Knob Observation Tower
Riverton, West Virginia

Spruce Knob

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia at 4,683 feet above sea level.
38.6998, -79.5328