The ruined doorway is a portal to the building's turbulent and torturous past.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Giant marble phalluses on the sacred island of antiquity.

The hallucinogenic center of the ancient world.

A sharp sculpture made of thousands of pieces of jagged glass.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The most visited, and possibly most controversial, museum in Germany.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

One of downtown Berlin's last reminders of its Communist past.

The beautiful baroque library of the Hapsburg empire.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

Baroque celebration of the end of the Great Plague of Vienna.

The final resting place for the remains of 143 Habsburg royalty.

A church of bones, decorated with 40,000 human skeletons.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Jesus' footprints and the first catacombs in the world.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A submerged archeological park still holds the wonders of a Roman Sodom.

An army of sleeping knights sculpted by a self-taught local artist beautifully depict an old Czech legend.