Many people are familiar with the longstanding EarthCam camera which shows views from Las Vegas Boulevard and Tropicana. It shows changing views from in front of the MGM Grand. The camera turns to show New York New York Hotel across the street. It shows the crowd on the pedestrian crosswalk - the MGM lion, etc.
Here are two shots showing the earthcam camera atop its pole on The Strip.
The building at left is The Tropicana, and the building in the distance at right is Mandalay Bay.
You can visit the camera's live views day and night at: