Building the Eiffel Tower
Built in 1889, tallest building in Paris, most-visited paid monument in the world, millions of people ascend it every year, 324 metres (1,063 ft) tall, was tallest man-made structure in the world until the Chrysler Building in New York City was built in 1930, second-tallest structure in France after the 2004 Millau Viaduct, the walk to the first level is over 300 steps, it has two restaurants.