Entry just €3–6 per person — one of Madrid’s best-value family museums. Dinosaur skeletons, gemstone collections, and taxidermy animals make it a hit with children. Manageable in 1.5 hours. Situated in the upscale Almagro neighborhood with pleasant streets for a post-visit café stop.

Address: Calle de José Gutiérrez Abascal, 2, 28006 Madrid

Google Maps: Click here for directions

Cost: Low Cost $