Where did meg and Charles Wallace land after being freed from the clutches of IT?

After being freed from the clutches of IT in "A Wrinkle in Time," Meg and Charles Wallace land on the planet Uriel. This vibrant world is filled with beautiful landscapes and unique creatures, providing a stark contrast to the oppressive atmosphere of Camazotz, where they were captured. Uriel serves as a crucial setting for their journey, allowing them to regain their strength and seek guidance from the beings they meet there, including the three Mrs. Whatsit, Mrs. Who, and Mrs. Which.