- The High Line - an old elevated train line that's been converted into an elevated park
- Brooklyn Bridge Walk - self-explanatory and beautiful!
- Museum of Natural History - classic stuffed carcasses and a planetarium, it's awesome.
- Museum of Modern Art (MOMA) - everything from Van Gogh to Rothko
- Grand Central Terminal - the ceiling is Anne's favorite color
- 5th Avenue Apple Store - unique on the outside, same as all the others on the inside
And then there are the classic touristy NYC destinations..
- 9/11 Memorial - somber but worth it.
- Broadway - basic info and tickets here. discount tickets here.
- Empire State Building - go up high!
- The Circle Line - cruises around the island of Manhattan
- Gray Line Bus tour - double-decker bus around Manhattan
- Central Park Zoo or Bronx Zoo
- South Street Seaport
And I'm sure the internet can provide a million more suggestions... There is no shortage of things to do!