A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

A macabre sculpture museum in the capital of Haiti fuses human bones with broken metal to create challenging contemporary art.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

Liechtenstein's royal family calls this medieval alpine castle home.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A little sculpture with a large wardrobe.

Come for the flowers, stay for the bats!

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

In a fusion of myth and mischief, this statue is a testament to this university's quest for both knowledge and pleasure

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

A German town is growing a building out of trees.

This lush, scenic spot was carved by the turquoise waters of the Radovna.

This one-time health resort was used by aristocrats around the world.

On a small Slovenian island, diners can mix and match a classic cake into dozens of sweet and savory flavor combinations.

This hands-on museum houses roughly 80 vintage pinball machines and arcade games.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

Walk through Czech history in Prague's largest graveyard.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.