A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

A fearsome dragon clings to a corner of Munich's city hall.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

The beautiful, fruit-covered facade hints at this building's former life.

A tiny museum in Esperance, Australia, displays a bunch of space debris from NASA’s Skylab.

This angular brutalist playground turns playtime into modern art time.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

A feat of railway engineering required to bypass a muddy quagmire.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

This water wheel turned to stone in a matter of decades.

Spectacular rock formations host dinosaur footprints and an old hydrotherapy pool.

Wild seas have created two spectacular formations just a stone's throw away from each other.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

Created as a coal reserve, it is today a natural park with stunning wildflowers, ancient marine fossils, and remnants of a 19th century mine.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

There’s a hidden military meme engraved on the World War II Memorial.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

Visible from both land and sea.