Affinia Hotels is on a mission to spread smiles throughout the world by teaming up with Operation Smile. The nonprofit organization saves lives and heals smiles by providing surgeries for children and young adults worldwide who were born facial deformities.

Travelers can support the cause by booking the Stay Awhile, Give a Smile offer, which includes:

$10 donation to Operation Smile
Smile Kit equipped with toothbrush, toothpaste, mouthwash, mints and floss
Free Wi-Fi ($14.95 value per day)
A list of smile-worthy things to see and do in NYC/D.C.
Spacious accommodations

Stay Awhile, Give a Smile is available at all Affinia hotels through August 31 with nightly rates starting at $149 in D.C. and $199 in NYC. It must be booked by July 31.

Affinia Hotels, www.affinia.com and use promo code SMILE