The Coast to Coast Walk in England passes some of the country's most beautiful scenery, including the Lake District National Park, Yorkshire Dales National Park, and North York Moors National Park.

National Trails Day is June 7 and volunteers are needed to help install logs on an AT trail near Icewater Spring Shelter.

This major finding launched her career, and in the 46 years since, Poole, a National Geographic Explorer, has become one of the world’s experts in how African elephants behave and communicate.