The cliff and rock formations are made out of Sioux Quartzite.

The ravine where Jesse James supposedly performed an impossible jump to evade capture.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

A small cemetery chapel designed by Frank Lloyd Wright and built in 1906.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This abandoned 19th century orphanage started as a boarding school for children of Civil War veterans.

This historic national park is covered in the stunning ruins of red rock pueblos.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

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

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

This iconic science fiction house still looks like something from the future.

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

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.

Paranormal activity on the great lakes.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

The house is an iconic pilgrimage site for fans of the Illinois-based emo band.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

Robots, lasers, and whoopee cushions, oh my!

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

A unique botanical garden housed in three giant geodesic domes.