The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

A popular rock that acted as a waymarker for American pioneers.

Despite sitting firmly in the global cradle of the Church of Jesus Christ of Latter-day Saints, this Hare Krishna temple is host to one of the largest color festivals outside India.

Largest collection of mounted dinosaur specimens in the world.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

This town is home to the world’s largest arch constructed entirely of elk antlers.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Not your typical pet cemetery.

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

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

This church was constructed by a shipbuilder and designed like an upside-down boat.

Opened in 1911, this small shop is the oldest ongoing establishment in St. George.

What happens when a sculptor has to find a way around a 100-year-old copyright.

The colorful, smiling concrete silos of Vancouver.

An unprepossessing storage reservoir in southern Utah has a checkered past.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

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