A wildlife photography tour on the Chobe River got up close with a territorial hippopotamus charging their tourist boat in a video that's gone viral.

Microsoft's Paul Allen's yacht MV Tatoosh causes coral reef damage, perilous pair of yachtsmen ask for help for the ninth time in seven months, and Fairline is bought out of…

boat hits monster waves

Faced with rough seas and monster waves, the crews of these ships show some incredible seamanship. Take a look at the dramatic footage.