Prices and durations:
Day 1 - Midtown
Staten Island Ferry | 2h | free
Grand Central Station | 20m | free
Public Library | 30m | free
Bryant Park | 1h | free
Rockefeller Center | 3h | $32
Day 2 - Downtown
Roosevelt Island Tramway | 1h | free
Brooklyn Bridge Park | 2h | free
Bike Tour | 30min per ride | $10 per day
Madison Square Park | 30m | free
High Line Park | 1h 30m | free
Ground Zero Memorial | 30m | free
China Town | 3h | free
New Jersey Ferry | 2h 30min | $6
Day 3 - Uptown
Central Park | 3h | free
Museum of Modern Art | 4h | $25