Hortus Botanicus Leiden

Naturalis Biodiversity Center (Dutch: Nederlands Centrum voor Biodiversiteit Naturalis, Naturalis for short) is a national museum of natural history and a research center on biodiversity in Leiden, Netherlands. It was named the European Museum of the Year 2021.

The Burcht van Leiden (Dutch pronunciation: [ˈbʏr(ə)xt fɑn ˈlɛidə(n)]; Fort of Leiden) is an old shell keep in Leiden constructed in the 11th century. It is located at the spot where two tributaries of the Rhine come together, the Oude Rijn and the Nieuwe Rijn.

De Valk is a tower mill and museum in Leiden, Netherlands. The current tower mill is the third mill built at this location.

Museum De Lakenhal is the city museum of fine art and history in Leiden, Netherlands. Founded in 1874, its collection ranges from early works by Rembrandt van Rijn and Lucas van Leyden's Last Judgement to modern classics of De Stijl and artworks created by contemporary artists such as Claudy Jongstra, Atelier van Lieshout.