Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

Largest gathering of hobos in the country has been meeting annually since 1900.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

A mysterious castle built as a monument to lost love.

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

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

Friction between grains of sand cause a curious "singing" sound.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

The United States Capitol's former columns still stand.

Home to items never before seen by the public.

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

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

"Only the devil could play golf here."

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Dig for your own trilobites in this goldmine of invertebrates.

Commonly referred to as the most photographed Victorian home in the United States.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

The ghostly remains of an accidental sea.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

The last of its kind in the country.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.