Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

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

This former shopping outlet is now adorned with beautiful graffiti and murals.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

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

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

A cave's rare beauty held a cavernous secret hidden underground.

A museum dedicated to the alleged Roswell Incident.

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

A standalone wonder amid the prairie badlands of southeastern Alberta.

This Art Deco landmark claims to be the longest bridge over the shortest span of water in the world.

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

Underground tunnels once home to crime are now back open to the public.