This western-themed amusement park is host to a large number of decaying animatronic cowboys.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This supermarket offers shoppers a window into the past alongside their groceries.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

A repurposed railway tunnel with otherworldly acoustic characteristics.

This psychedelic tourist trap is a leisurely descent into madness.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Hamburgers are intensely proud of their tunnel beneath the river.

The romantic botanic tunnel feels like a well-kept secret.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

Home to the longest wooden escalators in the world.

Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

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

A Jenga-style cylindrical tower of books that appears to go on forever.

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.

Centuries-old bridges grown from tangled roots.

The oldest operating pharmacy in the world features 800-year-old recipes.

It's where the final scene of the beloved Tom Hanks movie was filmed.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

A towering Art Deco movie palace made to look like a Mayan temple.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.