In the City
El Jardin Etnobotanico (offers Spanish and English tours, must reserve or wait in line)
MUFI - Stamp Museum (free and beautiful building)
El Centro Fotográfico Alvarez Bravo (free)
MACO - Contemporary Art Museum
El MUPO - Museum of Oaxacan Painters
The Museum of Oaxacan Cultures (highly recommended)
Tlayudona (all kinds of experiences, including cooking)
Tortilleria Moneda. (In la Noria! It looks like amazing tour/experience about the history of maize in Mexico and tortilla making)
Outside of the City - Day Trip
Hierve el Agua (petrified waterfalls)
Zaachila
Etla
Huayapam
Outside the City - Weekend
Capulalpam (pueblo magico) in La Sierra Juarez
Ixtlan (birthplace of Benito Juarez)
Puerto Escondido
Apoala
San Jose del Pacifico
The Isthmus