Another great option for a rainy afternoon in Top of the Rock is to explore the Rockefeller Center Concourse. This underground shopping and dining complex is filled with a variety of shops, boutiques, and restaurants. Take a leisurely stroll through the concourse and discover unique stores, art galleries, and specialty shops. You can also indulge in delicious food and drinks at the various eateries available. The Rockefeller Center Concourse offers a cozy and sheltered environment, making it a perfect place to spend a rainy afternoon.