Hindu temple of the dead home to hundreds of long-tailed macaques.

A small museum full of giant effigies of Bali's demons and monsters.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Private collection of art inspired by cabinets of curiosity.

A beautiful 62-acre Catholic shrine and botanical garden.

The magic's in the hole!

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

The seamy, underground secrets of Portland's criminal past.

An emporium for the weird, creepy, rare, and just plain gross.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

The mystery of the Putim Ossuary involves a tricorn hat.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

These 17th-century mummies are no longer naturally preserved, but remain on display today.

A crucified and bearded female saint.

Mysterious painted skulls in Moravia.

A saintly relic hidden in a Prague church basement.