(Image credit: Apartment Therapy )
Petre Island, the 11-acre island in the middle of Lake Mahopac complete with a house by Frank Lloyd Wright, is on the market for $20 million. There's also a cottage and a dock, and, if you're into extravagant Valentine's Day gestures, the island resembles a heart from above.

In other news, you can trampoline across the Russian forest, and Austin may get a pedestrian wire system overhead. See the headlines after the jump.

Heart-shaped Frank Lloyd Wright island up for sale | The Guardian
Shortcut! This Giant Trampoline Pathway Cuts Through the Russian Forest | Architizer
Keep Austin Wired! A "Wire" Of Aerial Gondolas Would Turn Pedestrians Into Skywalkers | Architizer

(Image: via The Guardian)