In honor of the National Park Service’s 100th anniversary on 8/25,/2016, the National Park Service is inviting everyone to join its year-long centennial celebration, by offering free entrance days in/2016. Visitors are invited to celebrate the past 100 years of these glorious places nationwide that have been set aside for all generations. At Dry Tortugas National Park, please check in with our official providers of transportation to the park for schedules, prices, and reservations. (All transportation departs from Key West.) Ferries and seaplanes leaving from Key West will waive park entrance fees of $10 per visitor., Key West /4/16/2016, 19th Annual Earth Day 5k Run/Walk, Earth-friendly recyclable awards are to be given to the top overall male and female, top masters male and female and first- and second-place runners in each age group ranging from age 9 and under to 70-plus. Additional awards await top 5k walk finishers. Starts at 8 a.m., from McCoy Indigenous Park, located at Atlantic Boulevard and White Street., Key West /4/19/2016, Discovery Saturday Educational Series: Celebrate Earth Day, Kids in kindergarten through fifth grade are invited to join the free, fun-filled Discovery Saturday at the Florida Keys Eco-Discovery Center (35 East Quay Road, Key West) from 10-11 a.m. Learn what each of the three R’s of Earth Day signify: Reduce, Reuse, Recycle. Free admission, free parking. Discovery Saturday is held the third Saturday of every month. Pre-registration is recommended. The Florida Keys Eco-Discovery Center is located at 35 East Quay Road on the Truman Annex waterfront in Key West., Contact: 305-809-4750, Email: rachel.pawlitz@noaa.gov