Click for more man-made flying madness: 41 teams from across the U.S. and Canada headed to Tom McCall Waterfront Park to .

This is the Red Bull Flugtag Portland, Oregon August 1, 2015. Human Powered vehicles plunge into the Willamette River.

Red Bull Flugtag Nov. 10 2012 116000 San Franciscans Cheer on the Spectacle of Human-Powered Flight at McCovey Cove Red Bull Flugtag brought many .



Click for more man-made flying madness: They came, they flew, and they crashed..hard. Check out the top 7 crashes from Red .