From beaches to breathtaking scenery - Wales certainly boast an abundance of some of the most stunning valleys and forests.
Tonight Snowdonia will take centre stage as part of a TV series about National Parks in the UK. From marrying in mines to racing a steam train, actress Caroline Quentin has been getting the inside track on what's hidden in the park. Megan Boot has been finding out what the star's been up to.
To see more of some of Snowdonia's hidden gems Caroline's trip to the National Park is on ITV tonight at 8pm.