One of the youngest volcanoes in the world, it last erupted in 1999 and features a dramatic black cone. While it’s still considered active, today most people head to Cerro Negro to try their skills at volcano surfing. The sport involves riding down the side of the volcano’s black ash on a wooden surfboard. You’ll be wearing a boiler suit and goggles for protection, and you can reach speeds of upwards of 60 miles per hour. The boards can either be ridden sled style (sitting down) or standing up like a surf or snowboard. Note that to ride down the volcano, you have to hike up. The trek takes about 40 minutes.