Tauck’s award-winning National Parks guest-volunteer program celebrated several milestones recently, including hosting its 15,000th participant. The unique program, which allows Tauck guests travelling on two different Tauck itineraries to work on preservation and beautification projects, also concluded its 10th year in operation and marked the contribution of over 30,000 hours of volunteer labour to Yellowstone and Grand Teton National Parks. Tauck first began offering the volunteer program to its guests visiting Yellowstone in 2003, and the program was later relocated to Grand Teton. Projects completed in both Yellowstone and Grand Teton have included preservation work on many of the parks’ hundreds of historic structures, removal of non-native plant species, rainwater runoff control, and light landscaping work.