This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Flip your own pancakes in this old sugar mill within a Florida state park.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

An archway adorned with vulnerable flora and fauna.

Electrical pylon in the shape of Disney's beloved mouse.

A public, open-air art exhibit featuring world-renowned sculptures hides in plain sight on the outskirts of Orlando.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

A mega theme park-wax museum mélange containing all things biblical.

Get up close to an F-4 Phantom flown in the Vietnam War at this Florida park.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

These unusual rooms on wheels are holdovers from the 1960s.

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.

The world’s oldest surviving single-arch railway bridge.

Huge winged monument in the United Kingdom.

Countless grotesque faces stare out from this eerie Prague art wall.

This automated sculpture of two men peeing will spell out text messages with their micturition.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

A cheeky reminder about the value of art dangles above one of Olomouc's busiest streets.

Tiny communists hammer away on the Olomouc Astronomical Clock.

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

Once home to artillery, this garden offers more peace today than it did during its war-torn past.

A folk-art cottage and hotel straight from a Slavic fairy tale.