Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

"I did this all while you were watching TV."

A unique geological area spiked with wind-carved rocks that resemble teepees.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A museum dedicated to the alleged Roswell Incident.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

Friction between grains of sand cause a curious "singing" sound.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

60 feet of towering steel balances gracefully.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A hand-built folk art installation covered with messages of God's love.

The ghostly remains of an accidental sea.

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

The ghost town that ended up on Ebay.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.