The smallest country in the world.

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

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

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

Metal water storage tank turned ethereal concert hall.

The wreckage of a World War II bomber is hidden high in the Colorado wilderness.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

A recreation of an Old West apothecary full of curios.

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

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

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

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