Many cities around the world are known by landmarks created for World's Fair exhibitions. Is your city one of them?

The Eiffel Tower was built as the entrance to the 1889 World's Fair in Paris. Believe it or not, some people considered it an eyesore!

The Taj Mahal, located in Agra, India, is considered to be one of the most beautiful structures in the world.

The Leaning Tower of Pisa, if you can believe it, is about 750 years old!

Search for a few of your favorite national parks on this printable map of the 50 states!