<iframe width="580" height="385" src="https://www.youtube.com/embed/R4wKm8OiEWw" frameborder="0" allowfullscreen></iframe> <br>Portland – Welcome to Maine's largest city, extending out from the peninsula into Casco Bay. Follow our journey through Portland to see the city's top spots to ... <br><a href="https://www.youtube.com/watch?v=R4wKm8OiEWw">source</a>