The summer home of the largest colony of bats in the world.

One part antique store, one part curiosities hodge-podge.

This eclectic Austin curiosity shop is home to all things strange and unusual.

An entire subdivision was accidentally built on a flood plain, resulting in its eventual demolition—but the streets are still there.

Human remains in varying states of decay are strewn about this Texas State facility for scientific study.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

Austin’s local mountain isn’t really a mountain at all.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

According to local legend, a tree grew from the stake that killed this alleged vampire. In reality, he probably died from influenza.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

On a dusty county road sit the ruins of a ghost town's abandoned church.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This 1.5 million-gallon water tower inspired Stephen King while he was writing "It."

When Joseph Marconnott died, he had a unique final wish: to be mummified and put on display.

Fears of Satanic worshippers swirl around five Celtic-inspired megaliths.

Visit the grave of America's most prominent paranormal investigators and self-proclaimed demonologists.

This one-woman cemetery was a small civil rights victory.

This family cemetery is a reminder of a smallpox outbreak in late-19th-century Texas.

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.