Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

The hallucinogenic center of the ancient world.

The former home of the famed revolutionary Pancho Villa is now a museum in his honor.

The nuns here cultivate silk to weave some of the finest scarves in the world.

This home on a quiet suburban street is completely covered with vibrant mosaics.

Quirky movable sculptures have been racing through the town since 1983.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

A burial ground of rusting metal grave markers.

This landmark cemetery in Boston was created more than 300 years ago.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

The abandoned coal loading dock is a canvas for unsanctioned art.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

Over 12,000 hygiene oriented objects and exhibits.

Admire endangered plants in a verdant garden that looks straight out of a Monet painting.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

A fairy tale castle in modern Rome.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

The tallest tower in Cáceres's Old Town.

The largest collection of artifacts from the Olmec civilization, the mother culture of Mesoamerica.

A naturally mummified 2,000-year-old man.