This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Rustic natural hot springs in the deciduous rain forest.

Walking by this fence is like strolling along a portal to various fictional worlds.

Four abandoned towers hidden above the Douglas fir forest in Washington.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

The second tallest railway trestle bridge in America.

A house filled to the brim with oddities and curiosities.

You can walk up Thailand’s naturally non-slip waterfall.

An isolated dive site teeming with cnidarians.

A collection of Inukshuks built and left by several hikers.

A former elementary school houses one man's extensive collection of art, artifacts, and taxidermy.

The wreckage still sits at the exact spot the plane crash-landed in 1945, carrying 1,000 pounds of explosives.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The world's only museum devoted to the wonders of fluorescence.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A kaleidoscopic warehouse-maze of handmade neon signs.

A huge musical instrument played by the ocean.

Explore 10 acres of environmental sculptures.

Along a California highway is a kind of Jurassic Park made of metal.