If you want to add some extra culture to your getaway, put Regina Coeli Diocesan Museum on your to-do list. Check if guided tours are available or just wander around at your own speed.
If you're staying a while in Santillana del Mar, Regina Coeli Diocesan Museum is a great place to start your exploring. This museum is one of many attractions that'll keep you occupied here. Caves of Altamira, Santillana del Mar Zoo, and Collegiate Church of Santillana del Mar are also waiting to be discovered close by.
