Most popular bike paths will have bathrooms(can bring bike in most), water fountains
or vending machines for drinks, places to grab a snack(ice cream, hotdog, etc.), maps.

Central Park loop:
https://www.youtube.com/watch?v=FXsW...6zPoymgKaIoDLA

Hudson Greenway/Westside path:
https://www.youtube.com/watch?v=aJA9...IoDLA&index=64