Seoul amusement park boasts a Korean-speaking pachyderm.

Houses are tucked between, on, and underneath giant boulders.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

A small piece of the composer's New York home lives on in the center of Czech culture in Manhattan.

Here be dragons.

Nondescript elevator doors open to reveal a stunning, surreal world.

The collection of signage remembers the midcentury pushback against the new neon light.

The 44,000-ton aircraft carrier was purposely sunk to create an artificial reef teeming with life.

One person's lost luggage is another person's treasure.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This interactive gallery makes you feel like you've stepped into a fantasy world filled with whimsical monsters.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

Nikola Tesla's former home contains an homage hidden from plain sight.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

A monument celebrating the idea of reaching inaccessible places.

Enchanting cave with a river crashing through the roof.

Colombia's biggest botanical garden contains plants from all across the country.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.