Saguaro National Park is a desert oasis located in Arizona and is home to the nation's largest cacti. Visitors can explore the park's two distinct sections, each offering unique opportunities for hiking, wildlife viewing, and stargazing. Not only is it a great spot to see the iconic Saguaro Cacti, it is also a great spot for stargazing as International Dark Sky Association certified Saguaro National Park as an Urban Night Sky Place in 2023. It is $15 per person for entry and $25 per vehicle, but be sure to check out their visitor's center page on their website to stay up to date on prices.