Arizona and Utah aren't the only states that boast rust-colored rocks – Colorado has ... 24 (right before you reach Manitou Springs), Red Rock Canyon has contributed to the area's scenic ...

U.S. News Insider Tip: Watching a concert at Red Rocks Amphitheatre is an essential ... this nearly 1 ½-mile-long path weaves through the rust-colored buttes, making for some spectacular scenery.

Iron present in exposed rocks reacts with this oxygen, and rust colors the planet red. While oxygen-loving ... Their alternating rust- and gray-colored bands are evidence that oxygen is being ...