When the North Tower was added in 1964, it was one of the finest and largest hotels on the strip. “The Dunes opened as a low rise resort in 1955. It is one of the quickest and painless ways that an old building can be wiped away to make room for a new one.” – We Do It All Vegas ” Las Vegas has always found a way to reinvent itself over the years, and one of the most entertaining ways this is made possible is through the process of implosion. It’s certainly a sight to see, and when a casino closes its doors, sometimes the only solution is to blow it up - in a legal and controlled environment, of course. We’ll tackle them one by one in Knowing Vegas. That said, we want to solve them, so we asked what questions about Las Vegas you’ve always wanted answered. Las Vegas is full of mysteries, even if you’ve lived here your entire life. (Mark Damon/Special to the Las Vegas Review-Journal) Smoke and dust shroud the Wynn Hotel-Casino across Las Vegas Boulevard after the implosion of the New Frontier Hotel-Casino on Tuesday, Nov.