At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

A tribute to a 13-year-old boy who was kidnapped in 1793 and escaped over two years later.

The Fun Farm weaves fairy tales, myths, and magic into a magnificent collection for visitors to explore.

This former office building has been transformed into an immersive music venue and art space.

The longest navigable underground river in the United States is home to countless blind and albino animals.

Wander around the extensive remains of this 12th-century medieval church.

Medicinal spa created with the discharge from a geothermal energy plant.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

These fantastically named natural pools look like something out of a Scottish myth.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

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

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Climb and walk into the crater of one of the youngest volcanoes on Earth.