Phoenix is a great city to visit if you’re seeking some of the cheapest places to visit in the United States. It is not just the state capital, but also one of Arizona’s best tourist destinations known for its hot and humid desert climate. The numerous free attractions also contribute to Phoenix’s appeal as a tourism destination. The Desert Botanical Garden, one of the world’s greatest collections of desert flora, is one of the cheapest things to do in Phoenix. Visitors can explore the diverse gardens by following one of the numerous garden pathways. Take a hiking trip to the Phoenix region’s most popular hiking trail- Camelback Mountain for some adventure or head towards the South Mountain Park to get a spectacular view of the city.