If you have a fear of heights you should probably avoid the record-breaking 140ft tall Meg-a-Blaster waterslide.The mammoth installation is being built in Kansas City in the US and is due to be completed next spring, according to Gizmodo.Brave visitors to Schlitterbahn Park will reach speeds of more than 60mph on the way down, hopefully towards an equally massive pool.The 134.5ft Insano waterslide in Brazil is currently the world’s tallest, with people clocking up speeds of around 62.5mph as they descend.(metro.co.uk)ANN.Az