A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

This massive subterranean fissure is known as the "underground Grand Canyon."

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

A mythically themed self-built sculpture park.

Walk down these stairs to get an underwater view of Switzerland's Lake Zug.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

Soaring over the Niagara Whirlpool since 1916.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

A colossal statue of a woman hugging a modern building.

Automatons that were once removed after one fell from the building.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This little sun pays homage to a massive gate that once stood at this location.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.