This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

Massive galleon from a box-office bomb docked in Genoa.

A sunken idol welcomes parishioners to Davy Jones' Locker.

This statue of the legendary Austrian composer is hidden in the center of an Italian town.

Genoa's collection of over 4 million zoological, botanical, and geological specimens from around the world.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

This huge metal monument is slowly being stripped to its concrete skeleton.