A mysterious shape catches the eye in this 16th-century painting.

This architectural beauty is the home to a personal collection of more than 600 examples of mechanical musical instruments.

Pyramid shaped monument with a tall tale attached.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

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

An ancient octagonal weather station named for the eight Greek gods of wind.

A "miracle" that seems to produce more holy fistfights than holy revelations.

Dozens of elegant ceramic tiles decorate these ancient walls, each displaying the Lord's Prayer in a different language.

20-foot tall lamp mumbles Swedish to celebrate the holidays.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Home to 200 plaster casts of Scandinavian proboscises.

Ming Dynasty necropolis raided during the Cultural Revolution.

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

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Historic medieval fortified city in southwest France.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

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

2300-year-old Roman road connecting the empire.