A museum is worth the journey when the place belongs to the collection. In these five, from Amsterdam to Reykjavik, a building, a ship or a door shapes everything you see.
the national museum with a cycle path
The Rijksmuseum in Amsterdam was designed by Pierre Cuypers, who ran a public passage straight through the middle of the building. Cyclists still ride beneath the galleries on their way across town. Upstairs, the Gallery of Honour narrows towards The Night Watch, so that Rembrandt’s company of militiamen seems to step out to meet you.

a house its architect forbade anyone to change
Sir John Soane’s Museum in London looks as the architect left it, because he secured an Act of Parliament to keep it so. Casts, urns and fragments fill every surface. In the small picture room the walls are hinged panels. Swung open, they reveal further layers of paintings, among them Hogarth’s A Rake’s Progress.

galleries strung between a villa and the sea
Louisiana Museum of Modern Art in Humlebæk in Denmark is named after the villa’s first owner, who married three women called Louise. Glass corridors lead from the house through the garden, so the art keeps giving way to trees. They end on a lawn above the Øresund, where sculptures by Henry Moore and Alexander Calder face the water, with Sweden beyond.

the warship that barely left harbour
The Vasa Museum in Stockholm is built around a warship that sank on her maiden voyage, less than a mile out. She was too tall and too narrow to stay upright. The cold, brackish Baltic kept shipworm away, so almost all her timber is original, down to the carved lion heads on her gun ports.

a carved door that outlived its church
The National Museum of Iceland in Reykjavik keeps the medieval door of the church at Valþjófsstaður. Its carved roundels tell one story: a knight frees a lion from a dragon, and the lion follows him until it lies grieving on his grave. In a country with little old timber, one wooden door carries the weight of a cathedral.

In each, the place does as much work as the collection, which is why they are worth travelling for.