Artipelag

Indoor and outdoor play center a retired grandfather started in 2008, with its own little town where kids drive electric cars and a Multiball game wall.

A barn with cows, horses, sheep, pigs, hens and rabbits beside an old manor with a café and a local history museum, in oak and linden woods with a lookout hill.

Half an hour by boat from the center, with a glassworks, a smithy and a wool workshop, homemade ice cream and cliffs to sunbathe on.

A seaside hotel inspired by Newport, Rhode Island, with wood-paneled rooms in nautical colors, sea views, and scheduled boats to Nybrokajen and Slussen.

On its own islet in the strait, this fortress turned back attacks in 1612 and 1719, and the 1800s Kastellet now holds a museum, a restaurant and rooms.

Spy cats, a bear who became a soldier and other animals of war, a spy exhibition, and free daily activities for ages 4 to 15, with kids up to 12 in free.