• Location:

• Southwestern South Dakota.

• Situated in the Black Hills.

• Physical features:

• Features the heads of four U.S. presidents: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.

• Carved into a granite bluff.

• The sculpture is on the rim of Mount Rushmore.

• Located 150m above the valley floor.

• Each face is 20m tall.

• These are the largest carved figures in the world.

• Economy (related to its creation):

• The memorial cost nearly $1 million to create.

• Importance (History/Significance):

• It represents a monumental artistic and engineering feat to carve four detailed presidential faces into a mountain.

• Problems (Challenges during construction):

• The project was a long-term undertaking, taking 14 years to complete.