By Andy Dungan | Near Cotopaxi, CO USA

By Randy Strauss | State park in eastern Nebraska

By Randy Strauss | Papillion, Nebraska USA

By Mandy Daniels | Derbyshire, UK

By Andy Dungan | Near Cotopaxi, CO USA

By Andy Dungan | Near Cotopaxi, CO USA

By Andy Dungan | Near Cotopaxi, CO USA

By Mandy Daniels | Derbyshire, UK

By Andy Dungan | Near Cotopaxi, CO USA

By Andy Dungan | Near Cotopaxi, CO USA

By Andy Dungan | Near Cotopaxi, CO USA

By Mandy Daniels | Derbyshire, UK

By Mandy Daniels | Derbyshire, UK

By Mandy Daniels | Derbyshire, UK

By Randy Strauss | Papillion, Nebraska

By Mandy Daniels | Derbyshire, UK