SINGULART - World's Leading Online Art Gallery
Wikivoyage - the free worldwide travel guide that anyone can edit.
Magnus - Shazam for art
Triptipedia - Triptipedia is a free collaborative encyclopedia of travel tips, where everyone can browse, save and share tips for better travel!
Artmood - Rent or buy art - unique and amazing artworks
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.