An architect's childhood fantasy treehouse made real.

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

A miraculous natural phenomenon known as "the spring that breathes."

One of the most intact and well-preserved skeletons of a mammoth in the world is displayed in a tiny Utah town.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

Not your typical pet cemetery.

Walk through the sets of old western films at this small museum in Utah.

A vibrant arts enclave in stunning red rock scenery.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

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

The oldest standing building in Las Vegas was established by Mormon settlers.

A professional special effects makeup artist’s collection of horror creatures and one-of-a-kind recreations on display in downtown Boulder City.

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

The warmth and creative kitsch of a quilt engulf every patron who visits.

For 14 years, this former stray dog greeted every train passenger that arrived in Fort Collins.

It is the only marker for one of the most famous hate crimes in American history. There are no other memorials for him in the entire state.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

After being lost for nearly a century, this historic bell finally returned home after its mysterious theft.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Miraculous tree that seems to sprout out of solid rock.

One of the smallest towns in the United States.