i am visiting HK in the month of may for 4 days, whats to see and which hotel is better.

i am visiting HK in the month of may for 4 days with my wife and two kids age 8 and 12. Firstly whats there to see in Hk other than Disneyland, Ocean Park, Avenue of stars. Which hotel is better between Holiday Inn golden Mile / Royal Plaza Hotel / Harbour Grand Kawloon. Thanks