This huge clock made of flowers and simple machinery was once used a political weapon.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

A full-scale replica of a 1774 colonial settlement in Kentucky.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Unique tower has outlasted a takeover of the company.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Featured in one of the most iconic scenes in cinema history.

Padlocks cover this rickety footbridge with love.

1513 Turkish world map, full of European state secrets and snarky commentary.

Ancient serpentine sacrifice holder that has stood the test of time.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

A marvel of Byzantine engineering under the streets of Istanbul.

The once great capital of Egypt now crumbles forward as evocative ruins.

It might not be the prettiest pyramid in Egypt, but it may be the muddiest.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

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

Time has been frozen at this station since the bombing in 1980—or so it was believed.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

The people of Padua pledged to construct this church if the city was spared from destruction during World War I.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.