From an epic trail stretching across the mountains in Slovenia to a two-week adventure in Scotland, these hikes are not for ...

Corsica is home to more than 600 miles of ... The most intrepid foot travelers can cross these mountains via the GR20, a 112-mile hiking trail that’s widely considered to be the toughest long ...

National Geographic has named six trails for the pluckiest of hikers, including high-risk Corsican scrambles and wild Scottish bothy treks. Are you determined enough to take one on?