Situated at the intersection of Frank Sinatra Drive and Bob Hope Drive in Rancho Mirage is the 200-acre Annenberg Sunnylands estate which, through a maze of legal decisions, has reinvented itself as the Annenberg Foundation Trust at Sunnylands.

FORBES: Walter Annenberg's Sunnylands Estate To Become A 'Camp David West'

The federal project joins efforts by groups such as Project Budburst, which has collected seasonal data from more than 15, 000 volunteers across the country, and an educational project called Journey North, funded by the Annenberg Foundation, which every year mobilizes students in some 6, 000 schools to report sightings of migrating birds, butterflies and flowering plants.

WSJ: A Science of Signs of Spring