MANAUS, Brazil — The Amazon guide raised his hand in the steaming forest and looked at me at the end of a line of six hikers. “Do you want a machete, Jeremy?” said the guide, Shane Zammette. “Jaguars ...

MANAUS, Brazil – Inside the Teatro Amazonas, the familiar chords of a signature aria from Bizet's "Carmen" resound among elaborate woodwork and Murano chandeliers. Outside, less than a half-kilometer ...