Fred LaBounty/Shutterstock

Park: Big Bend National Park

Looking for one of the best parks to go to during the winter? Look no further, visit Big Bend National Park in Texas! This park is open 24 hours a day, all year round. Go hiking and biking over 200 miles of trails while admiring hundreds of bird species and the immense amount of 500 million year old rocks. If your into geology this is the trip of a lifetime, and don't forget, there is also camping available.