This lake in the Cascades lives up to its name, disappearing down a hole every spring.

The highest bridge in America was built for an almost unnervingly small amount of money.

European castle ruins in an American state park are actually the product of death and grief.

Less a museum than a bizarre fantasy world created by artists and engineers.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

See massive fossils that are over 200 million years old in northeastern Arizona.

A whimsical village of unique treehouses resides in a Washington forest.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

An abandoned castle owned and ignored by Masons carries a cursed history.

The "Seinfeld" diner.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This grand gothic brewery has been pumping out suds for over a hundred years.

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

Oregon's unexpected high desert, displaying layers of time in a colorful show.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

Collapsing castle on the Hudson river was once the storage site of military surplus business.