The Travel-In-Norway.com website has a very simple, Google-based travel search site that works very nicely!
This is the search interface, on which I typed "Singapore":
And here are the results for my Singapore search. Each link basically takes you to a Google page with links to the topic, which, of course, is also a very clean interface, of course. With all the often complicated Web 2.0 stuff out there, simple is like a breath of fresh air.