http://www.flickr.com/photos/jumpinjack/sets/72157594376590507/ Photos of a castle in Slovenia built into the side of a mountain.
http://www.johnrausch.com/PuzzleWorld/toc.asp?t=_des/he001.htm&m=des/he000.htm A gallery of stuff stuck in bottles.
http://www.ilike.com/ iLike looks at what you play in iTunes and recommends music for you based on other users' preferences.