Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

One part antique store, one part curiosities hodge-podge.

A modernist landscape of water and sci-fi concrete.

The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This super steep hike ascends 2,000 feet in less than a mile.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This erect, phallic geological spire wasn't always named so domestically.

When ecosystems collide in the arid Southwest.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

The highest bridge in America was built for an almost unnervingly small amount of money.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

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

A memorial dedicated to the victims of the Columbine High School shootings.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

A downtown park built on top of unclaimed graves.