1.Canada and Mexico
2.The Rocky Mountains and The Great Smokey Mountains
3.The lakes are on the U.S./Canadian border, touching Ontario in Canada and Michigan, Wisconsin, Minnesota, Illinois, Indiana, Ohio, Pennsylvania, and New York in the U.S.
4. The Mississippi River
5. The Colorado River flows south
6. Death Valley is famous for : North America's driest and hottest spot and has the lowest elevation on the continent.
7.The Grand Canyon is one of the seven natural wonders of the world.
8.Niagara Falls
9.It goes through the center of : North Dakota,South Dakota, Nebraska, Kansas,Oklahoma, and Texas.
10.If you mean Washington then its Seattle Art Museum and he Burke Museum of Natural History and Culture,but if you mean Washington D.C its The White House and Smithsonian Museum .
11.a band of Southeast Asians
12.In the year of 1788