Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

This no man's land slicing through the island is strewn with abandoned relics of another time.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This working class sculpture pounds his hammer all the livelong day.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A beautiful final resting place for some of the noteworthy deceased.

This former coal gasification plant found a curious second life as a popular public park.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

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

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