Archaeologists discovered clusters of red ocher drawings scattered on rocks and cliffs across Canaima National Park—and have some theories on who made the mysterious art.

This story appears in the March 2019 issue of National Geographic magazine ... in one tiny patch of sky—about as much as you can cover with your hand with your arm outstretched.

From tapas and sangria to late night flamenco shows and countless historical sites, Spain is bursting with unique experi ...