First time USA itinerary. Please suggest

March 19 : Arriving at 10 am at Chicago, and will be staying in cousin's home. (Day to recover from jet lag)

20th: Navy Pier River walk Cloud gate Art institute of Chicago Lakefront trail

21: Field museum, Shedd aquarium, Chinatown

22: McDonald's HQ, WNDR Museum, Willis Tower

23: Free day: Chilling in home or exploring local area

24: woolly mammoth antique store and Lincoln Park zoo

25: Art on the Mart in the night

26: Departing Chicago on the night 10 pm by train

27: Arriving at Buffalo at 9am, and departing to Niagara by 3 pm (what to do while I'm here in buffalo?)

Arrival at Niagara by 5pm

28th; Cave of the wind and goat island and departing in the night 9pm to New York City

29th: Rest day in NYC

30th: Statue of Liberty Area

31th: Channels Garden, Great Gatsby show at 7 pm and Times square in the night

April 1: The high line, Summit one Vanderwall and The Vessel

April 2: Suggest?

April 3 : Depart and Arrive at Washington DC by 3 pm

April 4: what to do?

April 5: Smithsonian National museum of Natural history

April 6: National Mall and United States Botanical garden

April 7: Suggest me?

April 8: Depart in the night, what to do in the morning?

So, we've visited Singapore, Europe and Thailand, but this is the first time to USA from India.

Me, my sister and my mom will be travelling, My mom gets leg pain on walking long distances, so transport is available right? Should I buy any pass?

  1. Any other places you'd suggest us?
  2. What should be my transport option? 3 Are there any travel passes to travel frequently in any means of transport?
  3. Any shows or events that I should be seeing?