nancydrew1942's User Profile - Atlas Obscura
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Germantown, Maryland

Black Rock Mill

Built in 1815, the stabilized ruins of the grist mill and sawmill are now gated, but interpretive displays on the features and functions of the mill preserve its history.
Indian Head, Maryland

Chapman State Park

A state park that once served as an important river crossing, and now offers protected lands for endangered plants and animals.
Darlington, Maryland

Conowingo Dam

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.
Thurmont, Maryland

Blue Blazes Whiskey Still

Unannounced visitors are now welcome at the site of the largest Prohibition-era bootlegging operation in the region.
Germantown, Maryland

Ruins of Clopper Mill

The hidden ruins of a mill that is linked to an attempt to assassinate the vice president of the United States.
Bethesda, Maryland

Naval Surface Warfare Center

This massive swimming pool is the high tech home to the human-powered submarine races.
North East, Maryland

Turkey Point Lighthouse

This historic lighthouse was well known for the large number of women who served as its keeper.
Poolesville, Maryland

Seneca Quarry

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.
Smith Island, Maryland

Smith Island

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.
Laurel, Maryland

On the Brink

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.
Bethesda, Maryland

Glen Echo Amusement Park

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.
Glenn Dale, Maryland

Glenn Dale Hospital

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.
Baltimore, Maryland

Ministry of Brewing

An abandoned church gets a second life as a massive beer hall and event space.
Silver Spring, Maryland

National Museum of Health and Medicine

An astounding collection of medical specimens, including bits of President Lincoln.
Columbia, Maryland

The Enchanted Forest Pine Tree Maze at Clark's Elioak Farm

A local farm's collection of unusual structures from a now defunct storybook amusement park.
Boonsboro, Maryland

Crystal Grottoes Caverns

Bizarre Cavern.
Ellicott City, Maryland

St. Mary's College

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.
Kittery, Maine

Fort McClary State Historic Site

Despite its extensive history, this fort saw little to no combat.
Alna, Maine

Wiscasset, Waterville and Farmington Railway Museum

Preserving the memory of the narrow railroads that once crisscrossed the state of Maine.
Rockland, Maine

The Center for Science, Leadership & Marine Research

On Hurricane Island, a former ghost town has been transformed into a forward-thinking research center.
St George, Maine

Long Cove Quarry

A beautiful, water-filled quarry that has become a popular haunt for swimmers and artists.
Northwest Piscataquis, Maine

Eagle Lake Tramway

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.
Eastport, Maine

Old Sow Whirlpool

The largest tidal whirlpool in the Western Hemisphere.
Deer Isle, Maine

Nervous Nellie's Jams and Jellies

Sculptures, jams, and the wild west collide at this folksy retreat.