1. Geographical Features of the United States

2. Atlantic Coastal Plain
The Atlantic Coastal Plain is a lowland in North America that stretches along the Atlantic coast of the United States from New York to the tip of the Florida Peninsula.

3. The Great Plains
The Great Plains is a vast prairie region extending from Alberta and Saskatchewan and Manitoba in Canada south through the west central United States into Texas; formerly inhabited by Native Americans.

4. The Continental Divide
The Continental Divide is a series of mountain ridges extending from Alaska to Mexico that forms the watershed of North America. Most of it runs along peaks of the Rocky Mountains and is often called the Great Divide in the United States.

5. The Continental Divide

6. Great Basin
The Great Basin is an arid region in the western US between the Sierra Nevada and the Rocky Mountains that includes most of Nevada and parts of the adjacent states (Utah, California, Idaho, Wyoming, and Oregon).

7. Great Basin

8. Death Valley
Death Valley is a desert valley in Eastern California and Western Nevada. It is the lowest, hottest, and driest area of the United States.

9. Death Valley

10. Gulf of Mexico
The Gulf of Mexico is an arm of the Atlantic to the south of the United States and to the east of Mexico.

11. St. Lawrence River
The St. Lawrence River is a North American river which flows into the Gulf of Saint Lawrence and the North Atlantic.

12. St. Lawrence River

13. The Great Lakes
The Great Lakes are a group of five freshwater lakes of central North America between the United States and Canada, including Lakes Superior, Huron, Erie, Ontario, and Michigan. French traders first sighted the lakes in the early 17th century. Today the Great Lakes connect Midwestern ports with the Atlantic Ocean via the St. Lawrence Seaway.

15. New York City
New York City is the largest city in New York State and in the United States. It is located in southeastern New York at the mouth of the Hudson river. It is a major financial and cultural center.

16. New York City

17. Boston, Massachusetts

18. Boston, Massachusetts
Boston is the capital and largest city of Massachusetts, in the eastern part of the state on Boston Bay, an arm of Massachusetts Bay.

19. Erie Canal
The Erie Canal is an artificial waterway extending about 360 miles across central New York from Albany to Buffalo. Constructed from 1817 to 1825 and enlarged numerous times after It is now part of the New York State Barge Canal.

20. The Erie
Canal

21. Philadelphia, Pennsylvania
Philadelphia is the largest city in Pennsylvania. It is located in the southeastern part of the state on the Delaware river. It is site of Independence Hall where the Declaration of Independence and the Constitution were signed.

22. Philadelphia, Pennsylvania