What are the 7 Wonders of the World?

The 7 wonders of the world was originally a list of seven sites known to the ancient Greeks as their most known wonders. There are several lists now, the most popular being the 7 wonders of the modern world. The Channel Tunnel, CN Tower, Empire State Building, Golden Gate Bridge, Itaipu Dam, Netherlands North Sea Protection Works, and the Panama Canal are the current wonders.