Largest man-made excavation on earth!

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

An empty mine that some believe will suddenly be filled with fortune and treasures at the end of the world.

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

A tunnel with windows, so you don't miss out on the impressive views.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

Oddly shaped rock formation, misassociated with a nearby utopian community.

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

This ghost town was once a cult-like religious utopian settlement.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A house carved into a rock in the 1940s.

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

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A museum devoted entirely to hammers has more than 1,400 items on display dating back to the Romans.

Every last book in this bookstore is signed by the author.

What better place to take a seat?