* New York City: This combines the proper noun "New York" with the common noun "City".
* Mount Everest: This combines the proper noun "Mount" with the proper noun "Everest".
* United States of America: This combines the proper noun "United States" with the proper noun "America".
* Golden Gate Bridge: This combines the proper noun "Golden Gate" with the common noun "Bridge".
* Great Britain: This combines the adjective "Great" with the proper noun "Britain".
Remember that compound proper nouns are usually capitalized, just like regular proper nouns.