BY ANDREW MORKES, FOUNDER OF NATURE IN CHICAGOLAND Planning a spring or summer road trip? If so, here are 14 of my favorite National Park Service destinations to check out. Six are located in the Midwest. Carlsbad Caverns National Park (New Mexico): More than 120 caves. The park features the largest colony (estimated at about 400,000) … Continue reading 14 Amazing National Park Service Destinations for Spring and Summer Road Trips