In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

"Where the ducks walk on fish."

The site of America's first commercial oil well essentially disappeared after the town went bust.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

Priceless space junk on display in front of a local Dairy Queen.

A retrofuturistic art installation in the Pittsburgh Airport.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

A beautiful memorial tells the story of a formerly enslaved woman whose kindness shaped a burgeoning city.

Giant scissors seemingly stabbed into the side of a hair salon leave no question about the vocation of the owners.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Most famous work of one of Frank Lloyd Wright's sons.

Medical and zoological curiosities for sale.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

In the early 1800s, surgery was also a show.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.