Walk the trails of Grand Teton and Yellowstone national parks to celebrate the 100th anniversary of the National Park Service.
The six-day itinerary, which features easy to moderate walking conditions, covers two to six miles per day.
Participants visit the Grand Tetons, which include 12 glacier-carved summits framing the Grand Teton itself, at 13,770-feet.
They also see Yellowstone, America's first national park, with stops at Yellowstone Falls, Old Faithful and Geyser Basin, and will cross Jenny Lake on a boat.
Accommodations are in historic park lodges.
Dates: Aug. 28, and Sept. 4, 11 and 18.
Price: Rates start at $2,396 (Sept. 18) and $2,495 per person, double occupancy (single supplement $895). Included are park lodge accommodations, 11 meals, sightseeing and activities, support vehicle, maps and transfers.
VBT Bicycling and Walking Vacations, (800) 245-3868