Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.

An abandoned tuberculosis hospital moulders on into an uncertain future.

An abandoned munitions storage facility with a rich architectural history.

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

Definitely not a clown bar.

The magic's in the hole!

An emporium for the weird, creepy, rare, and just plain gross.

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

A New Hampshire grave with a grudge.

This modern medieval weapon of war was built to toss pumpkins.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Seven golden statues rise into the sky from sculptor Victor Victori's New Jersey front lawn.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

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

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A former military outpost of Ivan the Terrible, the 16th-century church contains some of the rarest examples of Eastern Orthodox mural paintings.

The collection of a paranormal investigator who traveled the country collecting haunted items and stories.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This site was once the largest ski jump tower in the world.

Hidden among the trees at the Rangeley Lakes Trails Center are more than 20 gnomes in small wooden houses.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

A museum dedicated to "science, history and the arts" little changed since 1915.