Resting place of Hollywood's immortals is also site of summer film screenings.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A layered tribute to the work of mosaicist Isaiah Zagar.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

The ghostly remains of an accidental sea.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

An enormous, inside-out glass globe built in 1935.

The fairy tale castle of the "fairy-tale king."

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Medicinal spa created with the discharge from a geothermal energy plant.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Tucked in the back of this amazing antique store is an important piece of medical history.

A crumbling hospital from the 1850s on Roosevelt Island.

World's first "penitentiary," meant to be humane, drove men insane.

An exquisite tunnel of cascading flowers.