Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

This sculpture of a bowler hat is complemented by a matching umbrella a few blocks away.

See the sky in a new way through this art installation.

The final resting place of infamous outlaw Clyde and Marvin Barrow.

The final resting place of an outlaw, whose legend grew after death.

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

The highest point in Texas is capped by a big silver pyramid.

A collection of massive stacked rocks in Texas includes a snarky note on the benefits of modern technology.

A Prada store in the West Texas desert that is never open for business.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Austin’s local mountain isn’t really a mountain at all.

A large stone map of Arkansas awaits visitors to its highest point.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first "Hut" was actually a small brick building.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

This artsy public restroom is shaped like a giant john.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

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

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

America's largest man-made forest was planted in an effort to bring back the past.