One of the best kept secrets about the EU is that it has already done that in a number of ways.

BBC: Europeans on Europe

One of the best kept secrets of the Midwest is that Kansas City, Missouri is home to a thriving entrepreneurial community.

FORBES: Kansas City Is Boosting Its Tech Startups With Launch KC

"This airport is one of the best kept secrets around, " he said.

WSJ: Pitching Duel: In L.A., Fight

Until recently, this has been one of our best kept secrets.

FORBES: The Evolution of SAP Runs SAP

Here, then, are the best kept secrets of successful women for you when you can break-away from baking your award winning apple pie, wrapping presents, or attending holiday movies.

FORBES: Best Kept Secrets of Success With Holiday Buying Guide

The various sources of consultant compensation and amounts are among the best-kept secrets in money management.

FORBES: U.S. Institute Senior Delegates�� Roundtable Speech (June 7, 2004 )

One of the best-kept secrets in economics is that there is no case for the invisible hand.

FORBES: The Death of Macroeconomics: There is No Invisible Hand

They have daily access to the best-kept secrets of these movers and shakers.

CNN: UNLEASHING MAID POWER

One of best-kept secrets in the investment newsletter game is The High-Tech Strategist, a monthly review by the Nashua, New Hampshire-based curmudgeon Fred Hickey.

FORBES: The Coming Tablet Glut

One of best-kept secrets in college admissions this coming year is that many top state universities will be admitting more out-of-state applicants than they ever have.

FORBES: The Latest (Shhhh! --Secret) College Admissions Trend

Michael Hayman, from Seven Hills Communication Group - which is behind the campaign, said the fund had been "a particular advantage point" for east Kent with the area having been "one of the best-kept secrets".

BBC: East Kent Grow For It campaign promotes investment