This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

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

Home to Hollywood history and a very special salt crystal.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

The first "Hut" was actually a small brick building.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Perhaps the world's only gas station inspired by a political scandal.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

A sculpture of a giant man escaping from the depths of the Earth.

Inside this museum resides a boot fit for a giant.

A Texas landowner spelled out his name with three miles of trees, a giant signature that's been used by NASA to evaluate satellite imagery.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

This graveyard is the eternal home of the residents of a vanished California town.

Megachurch turned Catholic church comprised of 10,000 glass panes.

A surreal, Gaudi-inspired play space near an Anaheim community center.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This playground sculpture of an icon from the past is dedicated to the children of the future.

A multi-storied adobe complex has been inhabited for more than a thousand years.

This isolated airport in the middle of the Everglades sees more alligators than planes.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.