Colorful castle-like rock formations stand in groups, forming a unique landscape of undulating domes in the Joshua Tree National Park.

The Arches National Park is located in the central and southern part of Utah, USA. It was established in 1971 and covers an area of 979 square kilometers. It is a colorful geological park with unique natural, historical and cultural features. The park protects the colorful canyons, towering mountains, solitary peaks and variously shaped stones in the region. The period from May to September is the busiest and most popular season for visitors. There are many sandstones and boulders in the park, some of which have white-colored and dome-shaped roofs resembling the United States Capitol Building, hence the name "Arches National Park". The main color of the park is red sandstone, with different colors such as gray, white, pink and brick red, forming a colorful and castle-like landscape of rocks of different sizes and shapes, which is the unique scenery of this park.