Indiana is known for a few things, but did you know it holds the record for the world's largest toilet?

Our tester notes how many flushes each toilet requires to finish the job. The best in our tests can do it all in one go; the worst get clogged with the first flush. We also test each toilet’s ...

From a singing commode to the astronauts' lavatory of choice, here are the 10 most expensive toilets in the world ... and beyond!