The footprint of a frustrated devil in Munich's Cathedral.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

The television series' iconic giant foot was borrowed from this classical painting.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

A hidden tunnel of bones in one of Malta's oldest churches.

Enigmatic tombs and cave dwellings on the outskirts of a rural village.

This unique building in the main square stands out among the city's typically Baroque architecture.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

An ancient Egyptian temple in the middle of Madrid, Spain.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

Secret refuge and museum of the Duke of Florence.

The "Prussian Versailles" that is as glorious today as when it was built.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

Breathtaking and huge 430 year old maps of Italy.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Statue of death tucked in the University of Medicine courtyard.