Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

This golf ball–shaped former desert real estate office now houses a UFO museum.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

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

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

One of the smallest towns in the United States.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

A small Wyoming town is home to the state's oldest-operating soda fountain.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Qatar's oldest market can trace its origins back more than a century.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

One of the oldest living oak trees in the Southeast.

The world's largest fire hydrant is supposedly tornado-proof.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

This is one really big nut.

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

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A natural formation that resembles a camel resting in the New Mexico desert.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

This sculpture perfectly models the molecular structure of a drug that was never produced.