Thousands have flocked to the city of Aguascalientes in central Mexico, where a monthlong fair named after Saint Mark starts ...

Exterior view of the Waldorf Astoria Riviera Maya during sunset in Cancun, Mexico.

It's 7 a.m. in Cancun, Mexico, and our group of four—my mother, a yoga instructor, the shaman, and me—are the only people on a pristine stretch of white sand taking part in a traditional sun ...