Salina's eye-catching giant mural depicting children at play is painted atop a century-old mill elevator.

Bad farming practices caused this unnatural natural wonder.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The remains of an ancient bathhouse sit inside this aptly-named pub.

One of the shortest streets in York has an especially odd name.

Follow the original medieval paths that wind through this intriguing section of the city.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

A tribute to Ponce de Leon's supposed quest for eternal youth.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

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

This abandoned bridge is now a favorite haunt for graffiti artists.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

This former prison is an Art Deco masterpiece with a past full of civil rights flashpoints.

A trove of tiny treasures hidden within a Florida park.

This 15-foot former Johnny Appleseed has given up his apples for donuts and coffee.

One of the smallest towns in the United States.