Washington state has so much to offer for both nature and urban lovers. So many of these "hidden gems" are not well known even to those that have lived in the area for years. Below are some links to some websites that are full of places to explore for the whole family.
Nature and Tourist Places to Visit
Here are 25 top-rated tourist attractions from Planetware.com, many of them being nature-focused.
Another list of 25 best things to do in WA state from TheCrazyTourist.com.
Unusual and "Hidden Gems"
If you are in more of an adventurous mood, be sure to check out some of these cool and unusual places. Atlas Obscura (website) has picked out 258 Cool and Unusual Things to do in Washington, including: