A hike through the beautiful Halawa Valley is one of the many must visit attractions you will find on Molokai. The area is also known as the “cathedral valley,” of Hawaii. Here you will find amazing landscape. This landscape includes distinctive and rare Hawaii plants and flowers. Hidden throughout the valley are ancient places of worship, and the Mooula Falls. The double tiered waterfall is a sightseers dream come true. According to Hawaii’s Official Tourism Site, guided hiking tours are the only way to explore the Halawa Valley.