The remains of an abandoned dinosaur theme park litter the woods just off the highway.

A giant gun barrel in Barbados that once hoped to shoot outer space with science.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

A beautiful collection of taxidermy birds and rare pomological wax models.

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

A collection of intricate sculptures so small they have to be seen through a microscope.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

The largest geyser field in the southern hemisphere is a spectacular sight.

Solar observatory doubles as a daring display of Expressionist architecture, much to Einstein's chagrin.

This Scandinavian island is the site of the first modern observatory.

A building so large that it has its own weather.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

Modern Japanese museum is buried by snow annually.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

A medieval military street hidden beneath a charming French fishing village.

The world's newest astronomical clock is also its most accurate.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Canyon walls shrouded in ferns.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.