One of Europe’s best zoos with giant pandas, dolphins, and a large aquarium; ~€26 adults / €21 children 3–7. Book online for discounts. Allow a full day — the dolphin show is a major highlight for young children. Located in Casa de Campo park, so you can extend the day with a picnic in the surrounding greenery.

Address: Casa de Campo, s/n, 28011 Madrid

Google Maps: Click here for directions

Cost: Paid $$$