Gigantic water vessel, permanently grounded in Southern Albania.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

The world's brightest bioluminescent bay.

A submerged village appears when dam levels drop.

Huge winged monument in the United Kingdom.

Fortified homes of highland warriors that are still in use today.

A cableway for car transport.

Southern Italy's spinning top village.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

A beautifully eclectic mix of architectural styles.

Astounding collection of coin-operated games and automata.

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

Salaguti's live-in museum: a fortress against criticism and consumer art.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

Large miniature theme park with 100-plus models.

Spend the night inside a two-story elephant villa.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

The tallest residential building in Africa is an unsettling Brutalist monolith.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

These azure waters were thought to lead to the Mayan Underworld.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A visionary precursor to the Internet made of index cards.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

This junkyard made over as a theme park is the "Most Alaskan place in Alaska."