Can Framis Museum

Can Framis Museum sits inside a converted 19th-century textile factory in the Poblenou design district, its stark concrete-and-brick renovation setting a fittingly minimalist stage for its collection of modern and contemporary Catalan painting. Visitors consistently note how few tourists make it out here, and the museum's high hidden-gem score backs that up, even as its 4.5-star rating and strong culture score confirm the collection itself is well worth the trip.

It's compact enough to see everything within about an hour without feeling rushed. For anyone who has already covered Barcelona's headline museums and wants a genuinely local, uncrowded alternative, this is one of the better options in the city.