A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

This sculpture gallery is home to magnificent beasts made of scrap metal and found objects.

An entire city block built completely out of petrified wood.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

This massive redwood tree has a hole in the base big enough to drive through.

An optical illusion found amid a logged redwood forest.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

The world's tallest turtle riding the world's largest snowmobile.

The world's largest moose statue is located (where else?) in Canada.

The world's longest known cave system.

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

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

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

Steep canyon walls hide a forested oasis in the West Texas desert.

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

A museum dedicated to the alleged Roswell Incident.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

If you want to take a peek at Area 51, this is legally as close as you're going to get.

An eatery for UFO seekers on the Extraterrestrial Highway.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.