By David Shields | Tacoma, WA

By David Nasser | Monument CO

By David Chapman | Cayo Coco, Cuba

By David Pace | Aruba

By David Rojas | Villa Caneles, Guatemala, Guatemala.

By David Rojas | Villa Caneles, Guatemala, Guatemala.

By David Kaplan | 2 miles up Sugarbush Access Rd, Warren, Vt

By David McIlroy | Canberra, ACT, Australia

By David Nasser | Gardner CO

By David Chapman | Kedge Beach, Kejimkujik Dark Sky Preserve, Nova Scotia

By David Roberts | Mount Rainier, Washington

By David Adams | Idaho Falls, ID U.S.

By David Proebstel | Kitchen-Dick Road, Clallam County, Washington

By David Nasser | Tanzania

By David Pace | Jones Beach State Park, New York

By David Pace | Jones Beach State Park, New York