The Burcht van Leiden is an old shell keep in Leiden constructed in the 11th century.
The Hooglandse Kerk is a Gothic church in Leiden. Its earliest parts date back to the last quarter of the fourteenth century.
The Hortus botanicus of Leiden is the oldest botanical garden of the Netherlands, and one of the oldest in the world.
O Museu Corpus é um museu sobre a biologia humana, localizado em Oegstgeest nos Países Baixos e é dedicado ao corpo humano e à sua saúde.
Bibliotecas da Universidade de Leiden é uma biblioteca fundada em 1575 em Leiden, Holanda.
The Leiden Weigh House is a Rijksmonument located on Aalmarkt street.
The Bibliotheca Thysiana was erected in 1655 to house the book collection of the lawyer Johannes Thysius.
