Six to eight glasses of liquid may not do it on really hot days. It's not enough to quench your thirst, Duff says. In general, drink more than you normally would.. The color of your urine is a good hydration indicator: If it's almost clear, you're getting enough liquid.
Brookfield Zoo is open every 365 days of the year! Weekdays 10:00 a.m. - 5:00 p.m. Weekends 10:00 a.m. - 6:00 p.m. Open 365 days of the year! Please note: Indoor animal exhibits close 30 minutes before general zoo closing, except for Tropic World, which closes 45 minutes before general zoo closing.
Hours & Admission. The Arboretum grounds are open every day of the year except December 25 from 8:00 a.m. to 5:00 p.m. Admission is free. The Visitor Center is open from 8:00 a.m. to 4:30 p.m.daily except for federal holidays November through February. Please note the Visitor Center will be open on January 1st but closed on January 2nd (holiday observed).