https://www.ancient.eu/The_Seven_Wonders/  Seven Wonders of the World

https://www.travelchannel.com/interests/outdoors-and-adventure/articles/new-seven-wonders-of-the-world  New Seven Wonders of the World 

http://www.hillmanwonders.com The World's Top 100 Wonders

http://www.wonderclub.com/AllWorldWonders.html Wonder Club: Complete listing of World Wonders

https://www.google.com/culturalinstitute/project/world-wondersGoogle World Wonders This site allows used to view historical sites by taking a virtual field trip