Top 10 Tourist Attractions in Arizona: Thinking of Arizona stirs up images of marvelous land formations like red canyons, cactus deserts, and mountains as well as man-made attractions like engineering marvels, esteemed museums, vibrant cities and historic settlements. Since its admission to the Union as the 48th state, Arizona has been a popular tourist destination, and with world-famous attractions like the Grand Canyon, the Hoover Dam and Saguaro National Park, that is not surprising.
Things to Do in Colorado, United States: See TripAdvisor's 193,350 traveler reviews and photos of Colorado tourist attractions. Find what to do today, this weekend, or in June. We have reviews of the best places to see in Colorado. Visit top-rated & must-see attractions.