HGTV Dream Home is celebrating its 20th anniversary on Merritt Island, FL with a ground-breaking new approach to construction. For the first time in the history of the HGTV Dream Home, HGTV is renovating an existing home into a spectacular 3-bedroom, 3-bath waterfront estate. Host Josh Temple will lead the transformation of the property situated on a lush, tropical landscaped oasis see it all unfold on Behind the Build: HGTV Dream Home, only on DIY.