Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

In one of the hottest parts of the Mojave Desert, shallow bedrock forces the typically dry Mojave River to the surface in this canyon, providing a vital oasis for humans and wildlife.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

Around 50 million gallons of water flow from this spring every day.

Hike amid the palm trees that thrive among Southern California's Indio Hills.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

A stone troll guards the hike that leads to this waterfall.

A handmade waterfall in Kanyakumari.

Sometimes known as the little Niagara Falls of the Philippines.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

This desert oddity hides in plain sight thanks to a cartographic error and a desert explorer with a punny sense of humor.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

In Parr Park, thousands of painted rocks line this walking trail.

A meditative space out of a fantasy story.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A unique piece of graffiti offers a little slice of local history and mystery.

A huge collection of rocks, gems, and crystals.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

Historic funicular railway, believed to be the shortest railroad in the world.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

There's nothing shrimpy about the world's largest artificial prawn.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.