The Adventurers’ Club of Honolulu
The Adventurers’ Club of Denmark
The Explorers Club - New York
Travellers' Club (Tramplaget) in Oslo, Norway
Astronomy Picture of The Day
California Wreck Divers
Infinite Safari Adventures
Centers For Disease Control (CDC)
Ramona Cox – SkyChick
James Dorsey
Robert Gannon – Flying Around the World
Dr. Glenn Vice - Flying Adventures
Samantha Larson’s Mount Everest Website
Simon Milward "Around The World On Two Wheels"
Lars Nielsen – Long-rider.com
Pierre Odier – L’Image Odier
JPL’s Dr. Steven Ostro Asteroid Radar Research
Dr. Marc Rayman "Deep Space One"
Roz Savage – Ocean Rower
The Schurmann Family Sailing Adventure
Space Telescope Science Institute (Hubble Telescope Images)
Robert G. Williscroft’s Website
Allan R. Smith's Website - DreamQuest Productions
John Goddard
Bill Starr - My Life List
Kristján H. Kristjánsson - Interesting World
The Adventurers’ Club of Chicago