I watched a show in TLC about some loony British Earl (or Duke, or somesuch) who has a passion for slinging very, very large objects with a gigantic trebuchet.

We watched him sling a small car and a grand piano (filled with petrol, quite a show).

His next trebuchet is to be built of steel instead of wood, on a much larger scale. That one will probably be capable of catapulting Expeditions.