Nevada's largest cactus collection stands outside a candy mogul's small factory.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

A collection of haunted objects and macabre oddities under one roof.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

An ancient Greek monument and a Byzantine church coexist inside this cave.

In 1952, this restaurant began selling the Colonel's “secret” recipe.

Only ruined buildings and abandoned charcoal kilns remain of this once bustling Wild West boom town.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

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

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

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

A small flooded ghost town with a few scattered structures remaining.

A house carved into a rock in the 1940s.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

This large, castle-like structure is hidden amid the mountains on the grounds of the Utah State Hospital.

These 100-year-old tunnels in downtown Provo house artists, restaurants, and a few surprises.