Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

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

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

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

Largest man-made excavation on earth!

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Jurassic Park—A Still Life.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

Pyramid home to an obscure religious group that practices modern mummification.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Pay a visit to America's oldest yarn shop.

Largest collection of mounted dinosaur specimens in the world.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

The largest island on the great salt lake is home to curious creatures and strange stories.

The last SR-71 ever constructed.

Designed in 1887, this clock from the county office clock tower has been restored and is on full display.

North America's largest accredited model railroad museum.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

This massive solar generating facility in the Nevada desert has been plagued by difficulties.