LEGOLAND® Discovery Center Dallas. Let your imagination run free on a trip to LEGOLAND® Discovery Center Dallas. Fifteen fun-packed attractions will keep you entertained as you build, explore and marvel at the world of LEGO. Try your hand at engineering a LEGO building that will withstand an earthquake. Or create a brick in a LEGO factory, then immerse yourself in a 4D cinema experience! Kids of all ages will get wrapped up in the fun at LEGOLAND Dallas. Book and Save 5% Off LEGOLAND® Discovery Center Dallas.