Written by By Ben Griffin, CNN

For those with enviable levels of disposable income and a love of cars, it's easy to spend big money on your dream ride. But what if you want to show your motoring enthusiasm in other ways?

In the gallery above, we've rounded up a selection of the most beautiful, luxurious and unusual car-related goods money can buy, from a V12-inspired gold-plated espresso machine to a $1.5 million underwater cruiser.