'100 Hikes of a Lifetime' Author Stephanie Pearson Shares Her Favorite Treks in the U.S.

National Geographic Explorer Stephanie Pearson shares insights with us from her new book "100 Hikes of a Lifetime U.S.A," ...

Route 66, a ‘Linear Museum Stretched Across Eight States,’ Turns 100

Institutions large and small examine the complicated history of the iconic corridor that helped define the American road trip ...