Walk in the footsteps of the gods and straddle two tectonic plates.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Rising from the sea like a stone monster.

Staves, storm-calling, and of course, necropants.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

One part antique store, one part curiosities hodge-podge.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

Towering basalt columns, a creation of fire and ice.

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This frequently-photographed waterfall takes only a short hike to visit.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

A speakeasy takes on Chicago's drinking culture.

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

A beautiful geyser under environmental threat.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

A dilapidated dock tells the story of Titanic's missed arrival.

A hip bar decorated with walls of golden skulls.