The forts, which sit atop the Cerro de Guadalupe is where the Battle of Puebla took place on May 5, 1862. This successful defense of the city by General Ignacio Zaragoza from invading French forces is commemorated every year in Puebla throughout the month of May and specifically on May 5 (Cinco de Mayo in Spanish).
Los Tuneles
An entry to historic tunnels that lead to the forts.
A neighborhood near the forts with lots of murals from artists all over the world. It's easily accessible when going through the tunnels, which briefly surface in the neighborhood.
Puebla's historic downtown contains beautiful colonial architecture and was granted UNESCO world heritage status in 1987. The Zocalo is the central plaza is a place to enjoy, where you can find restaurants, bars and cafes.
Cathedral
Built between 1575 and 1640, it has two of the tallest church towers in Mexico.
Palafoxian Library
A library built in the 18th century which contains a unique collection. It is not possible to browse the books; it's more of a museum.