The fastest mail service in the west is tracked and memorialized along this 1,400 mile trail.

This little gem of a museum is a hidden jewel filled with prehistoric treasures.

Almost all that remains of a town dedicated to supporting the First Transcontinental Railroad.

This once rural mansion now sits in the heart of the city.

A miniature baseball stadium honoring Johnny Rosenblatt Stadium, home of the College World Series from 1950-2010.

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

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

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

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

This ancient village provides insight into the complexity of the pre-Columbian Fremont Culture.

The longest living non-clonal organisms on Earth.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

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

Underneath downtown Lincoln resides a network of caves that was also the city's first brewery.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

The location of the last stand of Charles Manson's doomsday cult.