You'll find the Zócalo in the heart of Oaxaca; it is free to enjoy at all hours of the day (though businesses operate on their own hours). For more information, check out Visit Mexico's website.

Hierve el Agua is located 40-some miles southeast of Oaxaca City, but the drive takes around 90 minutes. For more information, check out Visit Mexico's website. Hierve el Agua, Tule Tree ...