Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

See replicas of Europe's most famous cave paintings and even some of the animals that feature in the art.

A meditative space out of a fantasy story.

In 806, Kobo Daishi began meditating on Mount Misen. The Buddhist monk lit this holy fire, which has been kept burning for 1,200 years.

Canyon walls shrouded in ferns.

The 16-foot sculpture of a hand looks out from his perch on top of an art gallery.

A visionary Italian architect created an impressive cluster of concrete structures for a family's private tomb.

No one really knows how these old hobby horses got here, but the herd keeps growing.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

A man's home is his castle.

The long-lost final resting place of an accused witch.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

Small caves once used as a hiding place for some of those accused during the Salem Witch Trials.

This unassuming building houses one of the world's most extensive collections of cars created by automotive legend Carroll Shelby.

One of the oldest surviving bars in the United States, located at the site of the last skirmish of the American Revolution.

This unassuming stone is possibly the oldest Scottish memorial to the 13th-century knight.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

“It has nae lugs!”

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.

Three acres of mythology-inspired sculptures are visible from the highway.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.