The remains of Crystal Palace Great Exhibition of 1851.

The encased skull that is widely believed to belong to St. John the Baptist.

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

The Sun King's military models, saved from the Louvre.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

France's most famous cemetery, with some of its most curious tombs.

An extraordinary final resting place full of oversized art, amazing statues, and dead celebrities.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A motel dedicated to Southwestern nostalgia.

Step into the cool deep past and unknown future of who begat who.

The ghostly remains of an accidental sea.

A museum dedicated to a sea that should have never been.

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

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

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

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

An enormous park-like oasis, full of famous Chicagoans' graves.