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

Visitors to this library are in for a real-world education in modernist architecture.

Jurassic Park—A Still Life.

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

This abandoned horse racing track was an exercise in hubris from its inception.

An homage to everyone's favorite prehistoric cartoon family.

The first permanent memorial to a unique secret weapon of World War II.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

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

A mysterious "wedding cake" castle in the middle of the urban desert.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Don't blink or you'll miss it.

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

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A spiritual vortex among the red rocks in Sedona.

The world's largest military aircraft cemetery.

This historic national park is covered in the stunning ruins of red rock pueblos.

A Saint Nicholas-themed ghost town in the Mojave desert.

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

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

An unassuming grey box sitting on San Francisco's Pier 17 is a "sky diary" of the coastal city's temperamental weather.

Some of the most unusual (and in some cases, disgusting) flavors of soda imaginable.

A store that sells all manner of bones, insects, and animal curiosities.