Royal Caribbean would be the first cruise line to introduce a rock climbing wall, surfing, ice skating, bumper cars, zip lines, and many other unique features to cruising. The company has cruise ships with a lawn and others with an open-air park as well as an open-air amphitheater and carousel. Going public on the New York Stock Exchange, Royal Caribbean also acquired Celebrity Cruises and Silversea Cruises and today is a partner in both TUI Cruises and Hapag-Lloyd Cruises headquartered in Germany. Today, Royal Caribbean Group has over 140,000 berths and its brands have construction contracts for 13 additional cruise ships. Fain will officially step down as CEO on January 3, 2022, although remaining as chairman of the board.