The largest agricultural boom on the planet threatens to destroy a spectacular savanna. Here's what happens when progress ...

"The paintings not only depict everyday aspects, such as hunting and rituals, but also show affectionate and social interactions, such as records of sexual acts, kisses, and hugs," ICMBio stated.

Discover the untouched natural beauty of sand dunes and sparkling lagoons in this otherworldly Brazilian national park. Here's where to find this remote spot.

The United Nations Educational, Scientific, and Cultural Organization (UNESCO) Friday declared Brazil's Lençóis Maranhenses National Park a World Natural Heritage Site, making it the South ...

U.S. News Insider Tip: After a day of hiking, head over to Os Esquilos ("The Squirrels"), the national park's only restaurant. Visit between May and October when Rio's temperatures drop to enjoy ...