18th-century establishments in Denmark

Kastrup Værk (English: Kastrup Works) was a pottery and tile works in Kastrup, now a suburb of Copenhagen, on the Danish island of Amager.

Det Harboeske Enkefruekloster (English: Harboe's Refuge for Widowed Ladies) is a Late Baroque building on Stormgade in Copenhagen, Denmark. The charity was founded by Christine Harboe (née Baroness Fuiren). The building was listed in the Danish registry of protected buildings and places in 1918.

Vallø stift or Det Adelige Stift Vallø for ugifte døtre (Noble Vallø Foundation for Unmarried Daughters) was a Danish foundation for the support of unmarried female nobles. It was located at Vallø Castle just south of Køge on the east coast of the island of Zealand.

Rigshospitalet (meaning The National, State or Hospital of the Realm, but not usually translated) is the largest public and teaching hospital in Copenhagen and the most highly specialised hospital in Denmark. The hospital's main building is a 16-storey functionalist highrise, one of the tallest structures in the central parts of the city. Rigshospitalet neighbours the Panum Building which houses the Faculty of Health and Medical Sciences at the University of Copenhagen. As a teaching hospital it is part of the framework organisation Copenhagen University Hospital.

The royal Frederiks Hospital was Denmark's first hospital in the present-day meaning of the word. It was founded by king Frederik V and financed by the earnings from the Norwegian Postal Service.