Seminário Maior de Coimbra
With over 250 years of history, this storied seminary houses one of Portugal's most impressive collections of 18th-century Italian art, a church, and a library with over 9,000 books. There's a museum dedicated to the works of priest and artist Nunes Pereira, housed in the workshop where he crafted some of his finest pieces. With a lofty location near the the botanical gardens, the seminary offers breathtaking views of the city, and also offers "Spiritual Tourism" stays (advance booking essential) for visitors looking for respite from the hectic pace of life. Guided tours of the seminary are available in English, but be sure to book at least one day in advance via the website.