When spending time in Las Vegas, you should definitely consider taking advantage of these nearby state and national parks. I’m going to break down what you need to know about these scenic parks, how to get to them, and the best times of year to visit. Keep reading and I’ll tell you about the best parks for short day trips, longer full-day trips, and overnights near Las Vegas. Tule Springs Fossil Beds National Monument.Red Rock Canyon National Conservation Area.These are some of the best State and National Parks near Las Vegas: Take a drive out of Las Vegas in literally any direction and you’ll be headed toward some of the most beautiful scenic locations found anywhere in the American Southwest and it’s all quite close to Las Vegas. Visitors flock to Las Vegas for the casinos, shows, restaurants, and attractions but did you know that the city is surrounded by some of the best State and National Parks in the country?