Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The ruins of this abandoned fort now stand as a picturesque reminder of America's march West.

The cinder cone volcano with a less than complimentary name.

Ancient pueblos built into the base of a natural canyon wall.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

A beautiful piece of history in a very remote area that allowed ranchers to move their herds.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Once an ancient sea, this landscape of rocky ravines is filled with the fossils of ancient marine life.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This bird-shaped rock formation defies gravity, time, and classification.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

More than 21,000 images fill this overlooked gem of a prehistoric site.

This is one really big nut.

A motel dedicated to Southwestern nostalgia.

Giant steel and concrete dinosaurs near Route 66 invite passerbys into a mineral shop.

One of the world’s most powerful corporations was established on a random Albuquerque street corner.

This marker identifies the location where three states converge.

A maze-like landscape of globular rocks surrounding two Arizona lakes.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

This monument marks the point where Oklahoma, Kansas, and Missouri intersect.