A nearly 200-year-old Catholic mission built to serve the native people of Idaho.

One of the "twins" in these falls on the Snake River was sacrificed for hydropower generation in the 1930s.

Home to the deepest rift anywhere on Earth.

Built in 1859, this eagle-topped archway marks the entrance to Brigham Young’s property.

Nineteenth-century cabins and volunteer re-enactors offer a window into history.

Next to Salt Lake City's Assembly Hall stands a tribute to some unlikely heroes of early Mormon settlers.

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

In 1847, Brigham Young climbed this hill to survey the Salt Lake Valley and saw a fine place to build a city.

Built for a motel, this cartoon dino is now a symbol of the area's paleontological heritage.

Pay a visit to America's oldest yarn shop.

This mural changes every few years.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

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

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

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

This lonely gas station has stood at this location since 1917.

The extensive collection of an amateur naturalist.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

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

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

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

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

This raised bulls-eye visible from space was the subject of an intense geologic controversy.