This expansive bridge in the Canadian wilderness was originally just built for friends.

This Elizabethan hedge maze is one of only six in North America.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

One of the largest sand dunes in the world is nicknamed the "Scary Mountain" due to its steep slope and sharp incline.

An abused and forgotten metropolis, abandoned for centuries.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

A more chill but no less fascinating version of the famous ancient archeological site.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

Puzzles within puzzles hide a golden treasure in this hedge maze.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

England's most notorious suicide spot.

A subterranean playground in an abandoned slate mine.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The longest hedge maze in the world.

The atmospheric road was never meant to be so creepy.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."