Visitors can stroll the park's boardwalk-a one-third-mile stretch from the St. Johns River to the headspring-and watch from above as manatees float peacefully below, socializing or nursing their calves in the clear, warm water. It is not only a rare chance to observe these gentle giants without disturbing them, but also a conservation success story: When research began in the 1970s, around 36 manatees visited the park. Now, there are well over 700.
Each day is different at Berlin's Tempelhofer Feld - the largest inner-city open space in the world, which has become a treasured symbol of community and environmental connection in the heart of the German capital. The seemingly endless expanse was an airport until 2008, but today, it is rollerbladers, skaters and cyclists who take advantage of the fine asphalt runways within hundreds of acres of public green space.
The Department of Agriculture has urged visitors to forests, parks, beaches and other recreation areas to not bring barbeques and other sources of ignition as vegetation fires pose a danger to resources and public safety.
The giant Columbia River offers a variety of swimming spots, despite challenges like industrial neighbors and complicated access. Many areas provide water lapping on sand or stones along its length.
The Glacier Point Road will open at 8 a.m. after being closed for winter, offering visitors breathtaking views of Yosemite Valley and its attractions.