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.

Henrik Håkansson’s work at Museo Tamayo in Mexico features motion-triggered photographs of the Lacandon Jungle.

This A-Z guide is your ticket to the week’s most compelling corners: the shows, the surprises, and the spots to sip, savor, ...