There are a number of different types of collagen; the most prevalent two in the human body are types I and III. In fact, type I collagen is the most abundant protein in the human body â it is present in almost every type of tis-sue.1 Bone contains almost exclusively type I collagen. The collagen network in bone confers structural strength
1 See some of Oahuâs gorgeous beaches â Kailua and Lanikai beaches. Some consider Lanikai Beach to be the most beautiful in the world. See our post on visiting beautiful Lanikai Beach.  Byodo-In Temple near Kaneohe is simply stunning.
Diamond Head, Oahu. Diamond Head (see more photos, view panorama) is one of the most famous landmarks on Oahu and the entire state of Hawaii. It has once been an active volcano, but hasnât spewed any ashes for more than 150,000 years. The extinct crater and lookout point at the peak of it is a popular hiking destination for many. In fact, Diamond Head is one of the most photographed and painted spots on Oahu, adorning many wall calendars and postcards. Located at the eastern end of Waikiki and right on the ocean, Diamond Head has already made an impression to early sailors.