The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

A unique botanical garden housed in three giant geodesic domes.

Built in France in the 1400s, this gothic chapel now resides at Marquette University in Milwaukee, Wisconsin.

A circus of light and sound forms a sensory ode to an iconic train that will never pass through town again.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

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

A collection of over 15,000 zines works to preserve DIY publishing culture.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

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

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

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

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

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

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

A home covered with elaborate mosaic and other pieces of art.

The world's largest sticker ball weighs in at a mighty 231 pounds.