February 23, 2014 in Outdoors
Rich Landers photo

Rafters explore Redwall Cavern at River Mile 33 on the Colorado River during a winter float through Grand Canyon National Park. John Wesley Powell, who led the first expedition to navigate and map the river in 1869, estimated it could hold 50,000 people.

 
 
 
 

Please keep it civil. Don't post comments that are obscene, defamatory, threatening, off-topic, an infringement of copyright or an invasion of privacy. Read our forum standards and community guidelines.

You must be logged in to post comments. Please log in here or click the comment box below for options.

comments powered by Disqus