This isn’t a place that displays up on a lot of lists, but we actually loved this experience. Called the “Sistine Chapel of Madrid,” the inside of the tiny church is roofed with colorful frescoes. At this time, tickets are available onsite only (no advance on the web product sales). https://www.kinship.co.uk/dog-lifestyle/what-to-do-with-your-dog-when-you-go-away-on-holiday