It seems eco-friendly cargo ships are slowly on the rise. Today i learned there is a full length documentary on Vimeo about one of these sailing vessels, the Tres Hombres; a bittersweet account of a voyage to transport supplies and aid to Haiti after the devastating earthquake: How Captain Longhair saved the World (HD, 42 min.).
MarineTraffic is a live map recording ship traffic based on AIS data. The site mainly covers European and North American coasts and includes info on vessels and ports, plus a gallery with some cool ship photos. Similar: see ShipAIS for live vessel movements from around the UK.
Oil Rig Disasters--Deadliest, most expensive, blowouts, sinkings. Building a rig. Barrels of rig pictures. NOAA's archive of spill pictures. ROVs, rigs, vessels. All kind of Canadian rig (and related) pictures. More.
Ships are so cool, except when they collide with bridges and catch on fire. [flash] You can also listen to some snappy dialogue from the USS Enterprise. [Warning: The laws in some countries may not permit you to listen these sound clips]. This, and other goodies (including hi-res downloads) from the Solent.
Everything you ever wanted to know about sunken ships. Passenger liners from the Titanic to the Andrea Doria. Military vessels from aircraft carriers like the USS Forrestall to submarines like the Kursk. I found this site by accident and got lost in it, some of the sections are just gorgeous, even though all the stories are tragic.