Take the free park shuttle to the Temple of Sinewava, walk one mile to the end of the paved walkway, and begin hiking up the river. Two hours upstream, at the intersection with Orderville Canyon, hikers will encounter the narrowest and most spectacular section of the Zion Narrows.
Photograph by Mike Segar, Reuters Second City is back in second place, at least when it comes to height. New York's One World Trade Center will officially open next year as America's tallest building, topping Chicago's Willis Tower by 325 feet (99 meters). The distinction hinges on a definition. According to the Council on Tall Buildings and Urban Habitat, the needle atop the new trade center is a spire, not an antenna.
The world's first skyscraper was built in Chicago in 1885. Since that time, the United States has been home and still is home to some of the world's tallest skyscrapers. New York City, specifically the borough of Manhattan, notably having the tallest skyline in the country. Eleven American buildings have held the title of tallest building in the world (9 in New York City). New York City and Chicago have always been the centers of American skyscraper building.