1: New Frontier in Las Vegas

Opened in 1942, the New Frontier’s biggest claim to fame was being the venue for Elvis’s first Las Vegas performance, back in 1956.

The second resort to open on the Strip, it was imploded in 2007.

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The marquee of the hotel was still standing until December 2008 when it was taken down at the request of Steve Wynn prior to the opening of the Encore hotel.