When you withdraw the money from your bank, unless you routinely move around large amounts of cash, the bank will file a SAR (Suspicious Activity Report) on you. So you will already be on the government’s radar.
If you try to structure the transactions to avoid triggering the reporting, you’ve committed a crime.
As far as taking the money out of the country, you would need to file the appropriate paperwork with whatever customs calls itself now. There isn’t a limit on what you can take out, so long as you fill out the paperwork correctly. Many countries require you to make similar declarations when you enter the country. (And when you leave - you may have to account for the difference).
Looks like you want a FinCin 105:
(PDF Format)
http://www.fincen.gov/forms/files/fin105_cmir.pdf
Of course, the tricky part is tracking down a customs agent when you leave the country.
They usually have an office in the freight offices area of the airport complex, assuming you are near an international airport.