Address: 46 E 70th St.

Pioneering astronaut Sally Ride, aviator Charles Lindbergh, and the first men to reach the North and South Poles have all been rewarded for their adventurous achievements with membership in the Explorers Club. Want to be like them? Then start watching the Science Channel, because mad exploration skills are mandatory for inclusion at this Upper East Side mansion teeming with artifacts like elephant tusks and an immortalized polar bear.