This quiet park's strange sedimentary spires were named after Kodak's color film.

Considered by many to be a local landmark and treasure.

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.

A miraculous natural phenomenon known as "the spring that breathes."

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

Half of a waterfall goes into the river while the other half seems to disappear.

The largest self-built castle in the U.S., six decades in the making.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

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

The remnants of a 1970 plane crash remain high in the Rocky Mountains.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."