A sculpture of a salmon swimming through a brick building.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

This mysterious Bronze Age standing stone has become a place where couples profess their love.

Inside this church is an obscure piece of art carved by the famous Alice Liddell.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

It's believed Matilda Fitzwalter's life was the basis for the famed literary figure.

This one-of-a-kind Roman arch is not actually dedicated to the god Janus.

These wooden pipes were crucial to providing water to Medieval Edinburgh.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Frida Kahlo's childhood home, now a museum of her life and works.

This sculpture commemorates Edinburgh's sister city and their respective celebrity dogs.

Known as the “Official Greeter of Juneau,” this dog still welcomes ships and their passengers to Alaska.

A collection of colorful dinosaurs hidden in an actual rainforest.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

This graveyard boasts a medley of diverse and imaginative funeral architecture.

The ruins of an abandoned church mingle with the graves at Oaxaca’s General Cemetery.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

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