Abu Simbel, Amalienborg Castle, the Acropolis of Athens … Many of the famous landmarks I ended up visiting in real life are featured at Legoland Billund, the original Legoland park in central Denmark.
Just to give you an idea, it took 1,500,000 Lego bricks to build this 12-meter-tall (40 ft) reproduction of the Mount Rushmore National Memorial.