Discover the best of the west on these spectacular Cosmos tour packages throughout the Western U.S. Explore the rugged beauty of the most famed national parks—from the desert landscapes of Bryce, Zion, Arches, and Grand Canyon to the lush playgrounds of Yosemite, Yellowstone, and Grand Teton. For value-minded travelers, the west also offers vibrant cities, scenic countryside, and small beach and mountain towns. Ride historic trains; try your luck in Las Vegas; or travel along historic Route 66. Pack your bags and get ready for a value-packed western U.S. vacation like no other.