Hiking can be amazing. Not only do you get to explore the great outdoors, but it is also a great form of exercise. And the views can be breathtaking. Most hiking trails are well maintained and run through national and state parks. But, for extreme adventurers these types of trails aren’t the ones they are seeking. These hikers are on the lookout for thrilling and challenging trails that will really get their heart racing.

So, for all you extreme adventurers out there, here are 5 of the most dangerous hikes in the United States. But, hiker beware. They are on the list of reason, and should not be taken casually. Please thoroughly research these hikes before attempting to hike one. Most of them are for advanced hikers, only, who are well-equipped for the challenge.

Mist Trail
Location: Half Dome, California

Located in Yosemite National Park, the Mist Trail attracts thousand of visitors each year since it has an intense 8,836-foot high peak. The trail will take you through amazing pine forests where you pass by beautiful waterfalls, before heading to the staircase, that must be climbed with steel cables for the last 400 vertical feet of the hike. Even with cables to help hikers reach the peak, the hike is still extremely hard and has claimed six lives since 1995. The weather can make this hike even harder since it can make rocks slippery and the trail more hazardous. Make sure you come well-equipped when you attempt to climb this beast of a trail.

The Wave
Location: Utah

Known as one of the most scenic hiking destinations in the entire Southwest, The Wave now uses a lottery for hikers to get the opportunity to travel along it. The Wave is known as one of the most dangerous hikes in the entire United States and has previously killed three hikers in one month. Temperatures can easily reach triple-digits out on the trail and with the colored sandstone patterns throughout the hike, it can be hard to find your way along the trail since there are no markings. Only 20 hikers are allowed on the trail per day. This one is tough.

Haikui Stairs
Location: Oahu, Hawaii

Although this trail has been officially closed since 1987, thousands of hikers still climb the steps each year. The staircase was installed during World War II and contains 3,922 steps that lead to the beautiful Puu Keahiakahoe summit. The beginning of the hike will make or break you, since it forces hikers to climb a ladder vertically up the steep mountain. The hike has narrow and steep steps and due to the recent rains, are more dangerous then ever. Security guards have even been put in place to stop hikers for trying this hike.

Bright Angel Trail
Location: Grand Canyon National Park, Arizona

Tourist from all over the world flock to the Grand Canyon each year to trek across the Colorado river and back, even though the temperatures can reach 110 degrees in the summer. And in the Grand Canyon no trial is more famous than the Bright Angel Trail. Hiking down is bad enough. But, coming back up the trail, and out of the canyon, hikers will have to climb 4,380-feet over 9.5 miles, which results in many heat-related rescues each year. Due to the number of deaths on the trail, the Preventative Search and Rescue (PSAR) group was created and now a team of rangers regularly patrols the Bright Angel Trail, giving water to those in need and helping unprepared hikers seek safety. But, the views are amazing. Just be careful.

Maroon Bells
Location: Colorado

Also known as The Deadly Bells, this trail offers rocks that can kill without warning and a trail that is often downsloping, loose, rotten, and unstable. Despite the extremely tough terrain, the area is one of the most photographed spots in Colorado. But it is not without its risks. Eight people have died in five separate incidents trying to rock climb The Bell. The Maroon Bells includes Maroon Peak (14,156-feet) and North Maroon Peak (14,014-feet) and is best described as a long, dangerous, and very challenging mentally, physically, and technically.