One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

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.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The celebrated eyesore created by starry-eyed sweethearts.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Comprised of thousands of cave temple carvings this cornucopia of ancient Chinese stone art is unrivaled anywhere in the world.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

Enormous burial mounds of ancient emperors.

Massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

This Tang Dynasty behemoth is the biggest Buddha in the world.