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

Ed was on his way to work one morning when he discovered a strange portal in the middle of the street. Curiosity got the best of him and he stepped through. He found himself in a strange and new world. He wandered around for a while, exploring the different areas of the portal. Eventually, he found a door that led him back to the real world. He was curious to see what else was out there and decided to step through the portal again. This time, he found himself in a different world. This world was filled with different types of creatures and plants. Ed was fascinated by this new world and decided to stay.