Next to the Barcelona Zoo, is the Geology Museum, and the Zoology (nature) Museum. The Geology Museum contains a very impressive crystal collection. Opening hours: Tue - Sun: 9:00 to 14:00. Closed on Mondays. Entrance fees are being charged.
The Zoology Museum is situated in a building, resembling a castle. Inside you can find various displays of animal skeletons, stuffed animals, etc... Opening hours: Tue - Sun: 9:00 to 14:00. Closed on Mondays. Entrance fees are being charged.
You may want to stroll around in the Fort Park, that surrounds the zoo and the museums. In this park, you'll find large lawns, nice vegetation, benches, and a special, magnificent fountain known as the "Garden Fountain". Sculpted around it are a few water-spitting dragons, and you can climb from the fountain, through stairs, to a lovely viewing spot.