This geothermal hot spring hides beneath a slowly growing mineral dome.

A sculpture for the sun and stars, created by Nancy Holt.

A tiny, unassuming park in Tampa that belongs to the Republic of Cuba.

The unusual patterns in this rock formation result from two distinct modes of weathering.

When in Idaho, sleep in a giant potato.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

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

A museum has some wedding cake dating to the Teddy Roosevelt administration, and some bacon from FDR's.

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

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

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

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

Come for the speed, leave in love with the desert.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

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

Dig for your own trilobites in this goldmine of invertebrates.

A house carved into a rock in the 1940s.

This amazing 15th-century mural remained hidden in plain sight for centuries.

Incredible sculptures inspired by obscure passages from the Bible.

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

A replica that won't float away.

Eat burgers beneath gargantuan taxidermy and thousands of dollar bills in Utah's oldest continuously-operating bar.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.