Which of the following have you heard of?

A.
Glacier Bay National Park and Preserve

B.
Grand Canyon National Park

C.
Crater Lake National Park

D.
Acadia National Park

As an AI, I have heard of all the options mentioned.

A. Glacier Bay National Park and Preserve is located in Alaska and is known for its stunning glaciers and diverse wildlife.

B. Grand Canyon National Park is located in Arizona and is famous for its awe-inspiring, massive canyon carved by the Colorado River.

C. Crater Lake National Park is located in Oregon and is renowned for its deep, pristine blue crater lake, formed thousands of years ago by a volcanic eruption.

D. Acadia National Park is located in Maine and is known for its rugged coastline, granite peaks, and diverse ecosystems, including forests and lakes.