The largest LEGO castle that was ever built was built with 400,000 LEGO bricks and was 4.45 m x 5.22 m.

Montreal has an underground city, which has over 2,000 shops and 26 kilometres of walkways. This is the largest underground network for any city.

Mount Katahdin in Maine is the first place in the U.S. to get sunlight each morning.

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