In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Over the course of its history, this tiny island has held enslaved people in transit and served as a quarantine zone. Today, it's a giant tortoise sanctuary.

This wildlife trust is dedicated to orphaned elephant rescue and conservation.

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

Drink and dine in a coral cave that's at least 120,000 years old.

Some of the ancient-looking huts among these strange rock formations aren't ancient at all, but built as part of a movie set.

Four steel monoliths stand in the Qatari desert, in a breathtaking work of large-scale art by Richard Serra.

An unrealized Taoist palace left abandoned in a Houston suburb.

In Houston's airport, a cow is properly equipped to jump over the moon.

Resting place of the Texas A&M canine mascots, who watch the game from the grave with their own miniature scoreboard.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

Campus tradition says couples who walk beneath this enormous oak will stay together forever.

One of London’s rare Tudor-era buildings is a fate-defying gatehouse for a church.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Historic funicular railway, believed to be the shortest railroad in the world.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

An art installation that will challenge your understanding of reality and perception.

The largest permanent Monopoly board makes one of the longest games even bigger.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

Climb down into the largest sinkhole in Qatar.