A replica that won't float away.

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.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A private Las Vegas horse ranch adorned with whimsical artwork.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

An exotic wildlife habitat right off The Strip.

A giant open-air sculpture made of over 200 full-sized boats.

The most magnificent bottle house in a town strangely full of them.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

Water of undetermined depth has attracted rare fish and cult leaders alike.

The best Tiki bar in Las Vegas.

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

A motel dedicated to Southwestern nostalgia.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A self-built castle made by a mysterious man.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The last Americana on Route 66.

Every equinox this Maya pyramid puts on a spooky ancient light show.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.