Château Frontenac
Worth a stop·Quebec City, Canada
Not much of a museum, but a decent hotel.
What it is
Castle-style railway hotel from 1893 above the St. Lawrence, the landmark of Old Quebec.
Also on the block, if you have time
The Citadelle of Québec (500 m, free), Musée Royal 22e Régiment (500 m), The Plains of Abraham Museum (800 m).