Dinner in the Museum The Museum of Natural History in Vienna offers a weekly buffet - on the 'first floor' (about 2 floors up) - with a hole in the center looking down to the ground floor. The building was built in the last decades of the 1800s, to house and study the royal collections.
Das Rathaus Vienna City Hall - also built at the end of the 1800s. Lit up for the "Eistraum" (Ice Dream), skating rink on the square and throughout the park in front of the building.