Novotel Luxembourg Centre

Hotel above the Pétrusse valley, a short walk from the old town, with an eighth-floor restaurant looking out over the city.

Natural history museum by the river with life-size dinosaurs, a hall of animals and furs kids can touch.

A big shipwreck to climb on a sandy beach in the municipal park, with slides, swings and a water play area with pumps and dams in summer.