There’s a great exhibition about the Earth and Mars in Palacio Salazar in Santa Cruz de La Palma until Saturday May 26th. It features scale models of the two planets, lots of great photos of Mars, and explains the similarities and differences in geology, atmosphere and weather, and hydrology. Even better, they have a genuine meteorite from Mars which you can actually touch.
The exhibition is open from 9 am to 1 pm and 5-8 pm, Monday to Friday, and on Saturdays from 10 am to 2 pm. And it’s free.