In spring, Washington's Skagit Valley is blanketed with daffodils and tulips

If it's true, as Ralph Waldo Emerson wrote, that earth laughs in flowers, Washington state's Skagit Valley is a side-splitter.

Skagit Valley isn't the only place in Washington with stunning shows of flowers, but it should keep you grinning from ear to ear.

Its just-right climate is home to bulb...