Prompt: Write a short story about a man who discovers a magical portal

Rick had always been a bit skeptic when it came to the supernatural. But when he found a strange portal in his backyard one day, he knew he had to investigate. Slowly but surely, Rick began to realize that this portal might be more than just a simple portal. It might be a way to travel to alternate universes… and even other worlds. As Rick got deeper and deeper into the portal, he began to realize that it was more than just a curiosity. It might be the key to saving his daughter.