The Pabellón de la Maqueta de la Habana (Model of Havana, Calle 28 #113, e/ 1ra y 3ra, tel. 07/206-1268, maqueta [at] gdic [dot] cu, Tues.–Sat. 9:30 a.m.–5 p.m., adults CUC3, students, seniors, and children CUC1, guided tour CUC1, cameras CUC2) is a 1:1,000 scale model of the city housed in a hangar-sized building. The 144-square-meter maqueta (model) represents 144 square kilometers of Havana [1] and its environs.
The nodel took more than 10 years to complete and shows Havana in the most intimate detail, color-coded by age. A visit here puts the entire city in accessible 3-D perspective.
Links:
[1] http://www.moon.com/destinations/cuba/havana