The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

On the edge of the Valles Caldera National Preserve, these rock formations create an eerie landscape.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This popular pilgrimage site offers a hole filled with holy healing dirt.

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

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

A serene garden path lined with 36 haiku stamped into clay stones.

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

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

Seller of surplus nuclear research materials.

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

A unique geological area spiked with wind-carved rocks that resemble teepees.

The shattered remnants of a meteor that struck Santa Fe more than a billion years ago.

The oldest continuously occupied public building in the United States.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

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.

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

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A sculpture of 18 beautiful clay mandalas on display at Warm Mineral Springs in Florida sends a message of world peace.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

It's a pretty creepy lock-up.

A bizarre roadside attraction and the first instance of miniature golf in the world.