River cruises are “more about the experience off the ship than on,” a travel journalist says. Viking and American Cruise Lines operate some in the United States.

Deep in the Amazon rainforest, a mysterious river stays at near-boiling temperatures year-round, baffling scientists. How is this possible, and what forces are keeping it so hot? Discover the ...

In Manaus, a sprawling city of more than 2 million, the depth of the Rio Negro, a major branch of the Amazon River, reached ...

Delfin Amazon Cruises, the “world’s first Relais & Châteaux cruise company” and a leader in luxury river expeditions in the Upper Peruvian Amazon ...

What were the chances that I would see a pink dolphin or a sloth? If those animals were smart, they’d still be sleeping, ...