In partnership with Good Energy, we're offering you the chance to win a year of renewable electricity plus a free home energy audit.
Sound good? All you need to do is shoot a short video or take a photo of something you find both beautiful and useful, and share it with us on Twitter or Instagram using the hashtag #beautifulanduseful and mentioning @nationaltrust.
What makes Christmas special to you? Share your stories with us on our London and South East Facebook or Twitter pages and you could win you one of 24 family day passes. The passes allow up to 2 adults and 2 children entry to one of our special places. We'll be giving away up to 5 a week to our favourite stories between 18 November and 24 December 2013.
Banrock Station wine is giving £100,000 to help us look after five of Britain's most threatened animals. Vote for Nature on Facebook to help decide which one gets the biggest share and you could win one of 10 holiday cottage breaks.