Where does Hollywood go when they want to shoot on an alien planet but they don't want to leave the solar system? Goblin Valley! Come explore Goblin Valley State Park, one of 45 state parks in Utah and definitely the most bizarre. Some call them hoodoos, some call them mushrooms, here they are called goblins. Formed over more than 170,000 million years these entrada sandstone structures are found in abundance here and easily accessed. AND Climb with Sage: The Salt Lake Slips. This beginner to intermediate pitch has 10-12 routes and is located in Big Cottonwood Canyon.