10 Best-Selling U.S. Tours & River Cruises

Read about 10 of our best-selling tours and river cruises in the U.S., listed below in no particular order. Click any link to see departure dates.

Canyon Country Adventure, 8 days with Globus -- On a route from Phoenix to Las Vegas, you can catch the sunrise and sunset at the Grand Canyon, tour the mesmerizing Monument Valley with a local Navajo guide and discover the cactus-studded scenery of Sedona. You'll also visit Utah's Bryce Canyon and Zion national parks.

Hawaii Four Island Adventure, 13 days with Trafalgar -- Spend time in Oahu, Maui, the Big Island and Kauai on this island getaway. Visit top sights such as Pearl Harbor, Hawaii Volcanoes National Park and Waimea Canyon. Built-in leisure time affords plenty of opportunities for relaxing on the beach.

Yellowstone & Grand Teton National Parks, 8 days with Tauck -- Memorable moments include a rafting trip on the Snake River, a stay at the Old Faithful Inn (a historic log-and-stone structure completed in 1904) and a chance to experience cowboy life at a Wyoming guest ranch.

Classic Fall Foliage, 9 days with Globus -- Take in the prime leaf-viewing locales of New England. Visit Acadia National Park and Bar Harbor (where a lobster bake is scheduled), the studio of Norman Rockwell and the Billings Farm & Museum, highlighting Vermont's rural heritage.

Classic Wyoming & South Dakota Parks including Yellowstone, 7 days with Gate 1 Travel -- Begin your trip with a visit to Mount Rushmore, then spend two days amid the geysers and wildlife of America's first national park, Yellowstone, before moving on to the glaciers and lakes of Grand Teton.

America's Canyonlands, 8 days with Tauck -- Zion, Bryce Canyon and Grand Canyon national parks are featured on this itinerary, with stays at well-located lodges within these preserves. The trip also includes a stop in Sedona, a flightseeing tour over Lake Powell and a float trip on the Colorado River.

National Parks of America, 12 days with Collette -- From the Grand Canyon to Mount Rushmore, this comprehensive itinerary explores five national parks plus iconic monuments and memorials. You'll also drive through the incredible Bighorn Mountains and learn about Native American customs.

American Parks Trail, 9 days with Insight -- See elk, bears, geysers and hot springs on an itinerary that visits Yellowstone, Grand Teton and Mount Rushmore. Learn about America's great Western legends at the Buffalo Bill Centre, then visit the Crazy Horse Memorial located in the heart of the Black Hills.

Lower Mississippi River Cruise, 9 days with American Cruise Lines -- Travelers cruise the lower Mississippi River between Memphis and New Orleans, learning about Vicksburg's role in the Civil War and visiting the grand estates of Houmas House and Oak Valley.

Columbia & Snake Rivers, 9 days with American Cruise Lines -- This cruise takes in the Pacific Northwest's rugged beauty, particularly along the Columbia River Gorge. Visit Mount St. Helens and sites associated with explorers Lewis and Clark and the Corps of Discovery.