Flying Wing

Nice cutaway from Unknown source.

HMS Dreadnought

Great cutaway of boiler room C from John Robert's "The Battleship Dreadnought,"

Via Daryl Carpenter. 

See here to look at the original with the annotations.

How a Hotel Opperates

Great Cutaway from How to be a Retronaut.

Cowbot

So, apparently yesterday was GS's 100th post... Free milk for everyone!

Messmore and Damon's mechanical cow from the 1933 worlds fair.

Via Popsci.com.

Vasectomy

What is up with the guy's leg disintegrating?

From unknown source.

Mercury Capsule

Cool cutaway from thefoxisblack.com.

GI Joe's Pit

Thanks to Byrtier Luyt.

The Rapture

More of those strange crumbling wall cute-aways... Was it really necessary to show what was going on inside? And why are some people wearing colonial clothing?

Courtesy of NCOTB.

Cadillac One

A cut-away of the GM build Obamamobile.

Courtesy of Daily Mail.

Johnson Wax Building

I had always seen pictures of the hall with it mushroom columns, but I never really paid much attention to the rest of the building until I saw the above black and white image and then found the cut-away diagram bellow it.

Images courtesy of Amazingfuture.com and Andrew Bruce.

Nuclear Reactor Cutaway

It's kind of funny how sections are handled for the non-engineer/architects - it's more like walls are chipped away them completely removed.

Courtesy of Paul K at BibliOdyssey.