Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

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

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

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

An annual festival celebrating Colorado's most famous frozen corpse.

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

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

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

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

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

In a small Japanese garden off a busy Denver street, a memorial to a brave, principled politician.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

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

A downtown park built on top of unclaimed graves.

This museum offers an actual time machine back through Colorado's past.

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

A semi-scholarly approach to sex.