From the unconventional and awe-inspiring to the hilarious and heartwarming, here's a look at some of the most interesting photos, videos and stories that have our newsroom talking today. What's capturing your attention, filling your inbox and cluttering your Facebook/Twitter feed? Tweet us the stories you're talking about using #InstantIndex, or email us at ABC.WorldNews@abc.com, and they could appear on "World News."

Authorities Search for Buyer Who Purchased $410,000 Painting for $4,900 Authorities are on the hunt for a mystery buyer who bought a painting on eBay eight years ago for about $4,900. The painting is actually worth more than $410,00. It is a rare painting by French Impressionist Edouard Vuillard. The error was uncovered by by a British antiques expert who spotted the masterpiece, and the British TV show "Fake or Fortune." "Someone, somewhere in the world is sitting on a fortune," one expert said.

Macallan Whiskey Breaks Record at Auction A single malt whiskey has broken a record. A six-liter bottle of Macallan whiskey sold at auction for a whopping $628,205. That's $100,000 per liter.