National Geographic Expeditions vacation

Prize: Eight- to ten-day trip for two to Belize, the Galapagos Islands, or Alaska, including airfare, accommodations, some meals, and spending money. Retail value: $17,500.
Site: Philips
Hoop: Complete entry form (doubles as site "registration" to allow for daily entries)
Deadline: Dec. 31, 2007
Link: Visit this giveaway