600 Metre Zip Line at the Top of the Sky Tram at Arenal Volcano, Costa Rica, Central America
by R H Productions
A Climber Among Smoking Fumaroles
A Cyclist Rides Along a Bike Path Between Ventura and Ojai
by Rich Reid
A Diver Carrying Lights Swims Through Blue, Sunlit Water
by Heather Perry
A Diver on the Sea Floor Gestures to Another Diver Who is Descending
by Bill Curtsinger
A Diver Swims Around the Submerged Research Station, Aquarius
by Brian J. Skerry
A Diver Swims Close to a Southern Stingray
by Bill Curtsinger
A Diver Swims Past Colorful Gorgonian Fan Coral
A Diver Swims Through Clear Blue Water
by Raul Touzon
A Diver Teaches a Boy How to Dive
by Bill Curtsinger
A Diver with an Underwater Camera Swims Amidst Smooth-Tailed Trevally
A Guide Leads Tourists Swimming into the Tunichil Muknal Cave
A Man Explores a Wet Cave in Oman
A Man Leaps from Rocks Surrounding Monterey Bay, Near Carmel
A Man Pedals an Old-Fashioned Bicycle Ahead of an Indiana Thunderstorm
by Melissa Farlow
A Man Pulls a Sled Across Patton Glacier in Front of Mt. Tyree
A Man Relaxes by a Creek
A Man Stands Watching the Waterfall on a Hot Day
A Man with a Camera Enjoys the Forest Canopy from an Observation Deck
by Maria Stenzel
