The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Life-sized painted illusions let pedestrians blend in with the street art.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

The summer tourists on these cliffs are thousands of seabirds.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This stunning concert hall has become a symbol of Iceland's national recovery.

Iceland's tribute to its thankless civil servants.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

Medicinal spa created with the discharge from a geothermal energy plant.

Rainbow-hued local gem in Venice.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

The most magnificent bottle house in a town strangely full of them.

Odd outsider art installations surround a Gold Rush-era ghost town.