. . . . "While much of the castle is a ruin, some of the outer buildings are now a luxury hotel, \"wellness\" centre and restaurant.[citation needed] There is also a museum within some of the better preserved structures."@en . . . . . . "While much of the castle is a ruin, some of the outer buildings are now a luxury hotel, \"wellness\" centre and restaurant.[citation needed] There is also a museum within some of the better preserved structures."@en . "Rheinfels Castle"@en . . . . . . . .