America's first public mental health facility.

One man's lifelong collection of 10,000 rare steins tells the story of beer drinking from 1350 to today.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

The narrowest house in America is seven feet of pure spite.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Exact replica of the ancient monument, but much, much lighter.

Outsider art meets paleontology at this roadside reptile repository.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

Hidden in the forest atop a long, winding driveway is this stately home.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

America's first federal monument.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The former home of the man whose radical ideas changed the nation.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

An eponymous directional signpost erected by the first president of the United States.

A highway marker that honors a former spy plane pilot and local hero.