The 20 Degree Wall is a unique geological feature located in the Las Vegas Wash watershed of Nevada. This wall, which is made up of volcanic tuff, features a nearly vertical incline of approximately 20 degrees. It is believed to have been formed millions of years ago as a result of volcanic activity in the area. The wall is a popular destination for hikers and rock climbers who are looking for a challenging climb. Along with the wall, the surrounding area is home to a variety of plants, animals, and other natural features, including a number of hot springs. Visitors to the 20 Degree Wall can enjoy hiking, rock climbing, and bird watching, among other activities.

One of the unique things to see at the 20 Degree Wall is the geological formations themselves. The nearly vertical incline of the wall provides a challenging climb for rock climbers, and its unique composition offers a glimpse into the region's geological history. Additionally, the area around the wall is home to a variety of plants and animals, including desert tortoises, bighorn sheep, and coyotes. Visitors may also catch a glimpse of a variety of bird species, including the burrowing owl and the western bluebird. For those who enjoy outdoor activities, the 20 Degree Wall is a must-see destination in the Las Vegas Wash watershed.