The tragic reality of a town riddled with rumors of haunts, chemical spills, and serial killers.

Eternal resting place of the grave robber and murderer who served as inspiration for many of cinema’s famous madmen.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

World's largest collection of serial killer artwork and other macabre exhibits.

Shocking dioramas of human torture, meant to promote human rights awareness.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Kitschy horror displays now fill the house where some very real serial killing took place.

This crumbling Art Deco movie palace in Mexico City has been abandoned for two decades.

A museum in the former home of Marxist revolutionary Leon Trotsky.

Inside this mountain lies several kilometers of breathtaking caves.

An indigenous take on European design creates a stunning visual overload.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

The winter home of millions of migrating monarch butterflies.

66,000 pieces of art, donated by one of the world's richest men.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

Mexico's astounding mummy museum with "the world's smallest mummy."

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Stay in the one time home to one of Scotland's most notorious gentleman's sex clubs.

The oldest library in Scotland was built from the remains of a church to hold a churchman's library.