The turn of the century brought lots of interesting new ways for Americans to relax. New parks and recreation areas were built in the cities, and amusement parks like Coney Island were build outside major cities. Bicycles got an upgrade to lighter, air-filled tires which were easier to use and more and more people enjoyed the activity. In fact, a new type of attire for ladies allowed them to enjoy the activity as well and it gave women a new found freedom they had not enjoyed prior to then. Tennis also became immensely popular during this time, and the first spectator sports including the beginnings of baseball.