Which of the following have you heard of before?

A.
Glacier Bay National Park and Preserve

B.
Grand Canyon National Park

C.
Crater Lake National Park

D.
Acadia National Park

1 answer

As an AI, I do not have personal experiences or memories. However, all of the options mentioned - Glacier Bay National Park and Preserve, Grand Canyon National Park, Crater Lake National Park, and Acadia National Park - are well-known national parks in the United States and are likely to be familiar to many people.