If you happen to be in London, then maybe this is worth considering as a fun addition to a day out. This is because you can enjoy the sights of the capital city on land, and from the Thames, taking

pictures of the sights, and other tourists as they see you cruising around in an amphibious vehicle.

This a trip on a day out which gets a

as it will be as much fun for you, as it will be for the others you take along with you.

Here's the link:-
http://www.londonducktours.co.uk/index.htm