The tallest structure in the world is the Burj Khalifa in Dubai, United Arab Emirates. The skyscraper has a total height of 829.8 m (2,722 ft) and a roof height (excluding antenna) of 828 m (2,717 ft). It was opened in 2010 and was constructed with reinforced concrete. The building has 57 elevators and 24,348 windows.
How did people build the pyramids in Egypt?
No one really knows how the Egyptian pyramids were built, but historians have developed many theories about how workers moved and placed blocks that weighed up to 1.5 tons. Experts believe they used specially-designed rollers or ramps, but their actual building techniques, incredibly advanced for the time, are unknown to us.
What is the most famous building in Topeka, Kansas?
The most famous Topeka building is almost certainly the Kansas State Capitol building, where elected officials meet and make decisions. It was completed in 1903 and built of a strong rock called limestone, with a dome made of copper. The dome is 304 feet tall and it takes 296 steps to get to the top!