One of the most accessible undersea plane wrecks in the world.

A towering baroque basilica jutting out of the French countryside.

The ghost town that ended up on Ebay.

A wunderkammer hidden on the top floor of the Hartford statehouse.

A hip bar decorated with walls of golden skulls.

This extremely narrow tenement boasts a maximum occupancy of just two.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

The site of one of history's most indelible and horrific tragedies.

This innocent-looking townhome is actually a subway exit.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

The modest home of the very immodest dancer who cost a king his crown.

1920's reinforced concrete church by architect Auguste Perret changes the face of modern design.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

This ancient church, rebuilt at least 3 times, is flanked at all sides by history.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

A small medical museum with a recreated doctor's office.