For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

This Colorado fire station has been in continuous operation for more than a century.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

A museum dedicated to the mysterious cryptid.

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

There are eight natural springs around town, each with a slightly different taste.

A recreation of an Old West apothecary full of curios.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

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

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

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

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

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

This spectacular track has run continuously since 1882.

This naturally-sourced hot spring is now home to a clothing-optional resort.

A multiversal transit station located right below a highway interchange.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

This monster fiberglass crustacean stands watch over the self-proclaimed "lobster capital of the world."