A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

A kaleidoscopic warehouse-maze of handmade neon signs.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A 200-year-old prison that now houses a peculiar crime museum.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

The magic's in the hole!

A heavenly experience, right here on Terra Firma.

An emporium for the weird, creepy, rare, and just plain gross.

A beautiful 62-acre Catholic shrine and botanical garden.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

An 18th century monument regularly tagged with unsettling graffiti referencing a 1940s unsolved murder.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

France's most famous cemetery, with some of its most curious tombs.

An underwater city for the dead.

Shop of curiosities with a dinosaur museum tucked in its basement.

A wunderkammer of exoticism immortalized by Tom Waits.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.