This 1967 experiment in modular architecture was designed to be a new model for urban living.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Yo, Adrian!

This taxidermy horse was a Civil War hero.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

The only ski tunnel in North America provides easy access to amazing snow and beautiful views.

The largest island on the great salt lake is home to curious creatures and strange stories.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

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.

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.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

One of the smallest towns in the United States.

This simple home was the beginning of a long journey for the iconic Western film star.

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

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Take a dip in the world's largest mineral hot springs pool.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

It's easy to forget what century it is as you wander this rustic homestead.