Out and about in the desert and mountains around Las Vegas, a variety for flying machines may fly over your head and intrude upon your solitude. However, learning to identify aircraft in flight adds an odd twist to enjoying the outdoors while hiking and birding around Las Vegas -- how many species and varieties can you list?

The Boulder City Airport, on the southwest edge of Boulder City, is a great place to go watch skydivers -- or join them as the case may be. Watch for skydivers just south of the Jean Airport, along Interstate 15 just south of Las Vegas, too.