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

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

The final resting place of the poets Shelley and Keats.

The underground sanctuary of a mysterious ancient cult.

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

This nonsensical smiling boat shuttles passengers between two places they could've easily walked between.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Visitors can swim with vicious predators in Crocosaurus Cove's plastic daredevil enclosure.

One of Australia's largest secondhand bookstores.

A sparkling sandstone cliffside that's worth a visit while it still exists.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

Australia's largest traditional hedge maze features a Great Gnome Hunt.

Australian Lake set aglow by Noctiluca Scintillans.

An Australian lake whose pink hue defies scientific explanation.

In California, colorful roadside signs remind us all that love transcends borders.

In this roadside "community for the small," abandoned toys gain new lives.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

Poseidon? No one seems to know.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Monasteries on rock pillars, once accessible only by frayed ropes.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.