1071 5th Avenue New York, NY 10128
The Solomon Guggenheim Museum has the world’s largest collection of contemporary art. The building of the museum deserves special attention. As they say at the museum "If this is a frame, what is the art inside?". The building is included in the list of the twenty most famous buildings of the last century.
Admission to the museum is $25, tickets can be purchased online. The site also has ongoing and future exhibitions and you can decide in advance whether you want to only see the "frame", or the art inside as well.