One man’s passion for gas stations is on display along the Rio Grande in northern New Mexico.

The world's first commercial spaceport is a disappointment of cosmic proportions.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

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

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

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

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

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

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

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

The biggest solar telescope in the world helps reveal the secrets of our sun.

The eroded core of an ancient volcano is now accessible by a short hike.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

An urban laboratory.

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

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

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