Victorian "Fancy Craft" Hair Wreaths and Relics.

When ecosystems collide in the arid Southwest.

The largest self-built castle in the U.S., six decades in the making.

Beautiful carved tunnels.

A huge Megalithic chamber tomb located behind a cafe.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

"Only the devil could play golf here."

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

The rocks in this arid basin leave trails of movement behind them.

This museum houses an imposing skeleton army comprised of creatures great and small.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

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

A mechanized clock where a man fights off a dragon, crab, and rooster.

France's national museum of scientific and industrial instruments.

The oldest stone house in Paris was built by its most famous alchemist.

This little-known relic crypt holds stolen parts of a Roman Empress.

The mummified relics of an American missionary.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Natural mummies hidden in the crypt of a medieval French church.

This bridge was constructed from the rubble of the infamous Bastille.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

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