Supermodels

This is either the world's biggest radio-control B-52, or the world's smallest B-52. It has a wingspan of 22 feet. The eight turbine engines alone cost $12,000, according to the Internet.

The B-52 has company. Lots of it. Here are more model planes that are bigger than planes…

Below, an incredibly/painstakingly-detailed SR-71 cost more than $100,000 to make, a process chronicled in detail here.

Here's a video of the Globemaster in flight.

Here's one of the B-52…not a happy ending, as the YouTube title suggests.

For more homongous plane models, click here.