A permanent address that's an everchanging address… now that's a cool idea. Slated to launch in fall 2007, the ship will include 100 luxury apartments, with all the indulgent amenities for which Four Seasons is famous (spa, steam room, pool and cabanas, jogging track and fitness center, even… golf?) Grab a stake before they sell out. From $400,000 for a one-month timeshare for 50 years.

Via Travel and Leisure (flipping through the November issue)