One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

France's most famous cemetery, with some of its most curious tombs.

This floating sculpture of ice is a poignant reminder of nature's power.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

The bears of Bern have been a city highlight for over 500 years.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Tijuana's legendary jai alai or "basque ball" palace is now a massive music venue.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

The remains of an Aztec school and various intriguing artifacts lie below a modern cultural center.