A relic of the Cold War in Chicago.

This park harkens back to frontier life in Wisconsin.

This slightly spooky yet nostalgic theme park claims to be the first of its kind in Australia.

Legends say this red sandstone monolith and the dozens of smaller boulders that surround it were once a coven of witches—before a Scottish wizard turned them all to stone.

A sprawling maze of used books piled from floor to ceiling.

Peek into a cave of giant, glimmering crystals.

This modern pedestrian bridge on the Yarra River was modeled after an Aboriginal fish trap.

A mural commemorating a man who was instrumental in the development and expansion of Belfast.

You’ve heard of bookworms, but this small sculpture at a university library may be the world’s first bookbee.

This stately palace, first built in the 16th century, was converted into a prison in 1830.

A hole-in-the-wall antiquities museum in one of Tokyo's most popular megamalls.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

Not one, but two of Frank Lloyd Wright's architectural masterpieces nestled on the same street.

A giant owl named Rocco oversees mythical woodland creatures along these charming mountain trails.

This tiny getaway tucked away in an uninhabited Scottish valley isn't your ordinary teahouse.

This impressive castle looms over small German town.

The final resting place for the famed creator and narrator of "The Twilight Zone."

A beautiful little castle with a rich history now home to the Archives of the Spanish Air Force.

A busy island at the center of the world that doesn’t actually exist.

An unusual geological feature towers over the remains of a dark episode in United States history.

A monument at the site of a decisive battle in the First English Civil War.

Over 100 artworks are painted on the walls of this town, making it an open-air museum of contemporary art.

The walls of this small village have been turned into a living street art gallery.

Roadside Americana, fairy tale characters, and Austin quirkiness come together at this magical course in the heart of Texas' capital city.