2 Microsoft cofounder Paul Allen owns two of the largest yachts in the world. His 303-foot "Tatoosh" has a cinema, swimming pool, recording studio, gym, and accommodations for 20 guests.

A helicopter from a huge luxury yacht owned by Microsoft co-founder Paul Allen, made an emergency water landing in the extreme south of Argentina on Monday, but neither Allen nor Bill Gates were ...

Microsoft cofounder Paul Allen collects a lot of expensive things: mansions, sports teams, yachts, and priceless works of art. It's his collection of World War II-era war craft, however ...