See massive fossils that are over 200 million years old in northeastern Arizona.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

Dramatic river bend surrounds a natural red-rocked pedestal.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The best Tiki bar in Las Vegas.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

The final resting place of the living embodiment of the famous Forest Service symbol.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

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

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

This is one really big nut.

Legends surround this jagged rock formation in the New Mexico desert.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

A museum dedicated to the alleged Roswell Incident.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

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

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