One of the top sites for lodging options, Airbnb offers the hotel alternative for travelers looking for more of a home-like feel where they slumber. Whether you're looking for a weekend stint or a more long term rental, the large database of properties run by locals all over the world is a popular choice. From large homes in the countryside to city center apartments to unique lodgings like house boats and tree houses, Airbnb has something for every traveler's need . . . including the "experiences" section for locally guided activities.