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

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

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

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

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

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

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

This enigmatic building features numerous architectural styles.

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

Experience life in one of America’s smallest neighborhoods.

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.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

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

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Commemorating the spot where the famous scientist fed his pigeons.

A simple midtown bar was once the home of a secretive and exclusive club staffed by "bunnies" under Hefner's strict rules.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.