Ferries form a part of the public transport systems of many waterside cities and islands. The world’s busiest ferry route is the Staten Island Ferry which shuttles commuters between Manhattan and Staten Island in New York City. However, the Washington State Ferry system operates the largest ferry fleet in the United States with 22 ferries that cross Puget Sound and its inland waterways, carrying over 23 million passengers.
The Tower of the Americas is a 750-foot observation tower/restaurant on the southeastern edge of Downtown San Antonio, Texas, USA. The tower was built as the theme structure of the 1968 World's Fair. It was the tallest observation tower in the United States until 1996 when the Las Vegas Stratosphere Tower was completed.
Located on 17 acres overlooking the Potomac River in Washington, DC, was opened in 1971. It is America’s living memorial to President Kennedy as well as the nation’s busiest arts facility, presenting more than 2,000 performances each year.
The Washington Monument, located in Washington, D.C., was built to commemorate General George Washington, the first president of the USA. When completed in 1848 it was the world’s tallest stone structure until the completion of the Eiffel Tower in Paris in 1889.
The Sundial Bridge at Turtle Bay crosses the Sacramento River in the heart of Redding, California. Designed by world-renowned architect and engineer Santiago Calatrava, the bridge links the 300-acre north and south campuses of Turtle Bay Exploration Park. It has served as the downtown entrance to Redding’s extensive Sacramento River Trail system since it’s July 4, 2004 opening. The bridge celebrates human creativity and ingenuity, important themes of Turtle Bay. The steel, glass, and granite span evokes a sense of weightlessness and the translucent, non-skid decking provides for spectacular viewing at night, while being environmentally sensitive. The pylon, cable stays, and glass deck preserve salmon-spawning habitat beneath the bridge, while encouraging public appreciation for the river.
This iconic structure located in Auckland City, New Zealand is an observation and telecommunications tower and is also part of the SKYCITY Auckland casino complex. Standing at a height of 328 meters (1,076 feet) it is the tallest free-standing structure in the Southern Hemisphere and attracts over 500,000 visitors per year.