At the beginning, we will going to Arizona's most famous natural wonders - Carlsbad Cavern National Park, the caves; will make you sincerely lament the nature of the wonderful Words. Then the tour going to the Saguaro National Park, and to see hundreds difference of saguaro. Later, you have an optional for the Arizona-Sonora Desert Museum. Overnight in Phoenix.
Carlsbad Cavern National Park: The most beautiful cave in the United States by the "United States today readers choose". The stalactite cave was discovered in 1974 by the world, so far in good shape, not a trace of damage, the cave landscape is amazing. There are national park professionals in the cave to introduce the characteristics and wonders of the stalactite cave.
Saguaro National Park is a United States national park in Pima County in southeastern Arizona. The park gets its name from the saguaro (Carnegiea gigantea), a large cactus that is native to the Sonoran Desert and that does not grow naturally elsewhere. Rincón—as in Rincon Mountains, Rincon Creek, and Rincon Valley—is Spanish for corner, and refers to the shape of the mountain range and its footprint. The name Tucson derives from Papago-Piman words cuk ?on, meaning dark spring or brown spring. Tank or Tanique refers to a small artificial pool behind a dam that traps runoff in an existing natural depression.
The Arizona-Sonora Desert Museum(Optional) is a 98-acre (zoo, aquarium, botanical garden, natural history museum, publisher, and art gallery founded in 1952. Located just west of Tucson, Arizona, it features two miles of walking paths traversing 21 acres of desert landscape. It is one of the most visited attractions in Southern Arizona. This museum focuses on the interpretation of the natural history, plants and animals of the Sonoran Desert. The museum is home to more than 230 animal species and 1,200 varieties of plants. It is open every day through the year, and hosts nearly 400,000 visitors annually, including visitors from abroad.