12 crystal clear views seen just outside your window

Last week, Mashable partnered with Windex for a window view photo challenge. We asked our readers to share what they see when they peek past their glass portholes.

See also: Then and now: Images of our changing planet

Our guest host was Tamara Peterson, a New York-based photographer who is famous for her cityscape and lifestyle Instagram feed.

"I've learned from Instagram how important it is to have a hobby, and how to appreciate the beauty in everyday things and life," she said.

The #ClearViewPromo photos that rolled in on Instagram and Twitter were truly breathtaking. We saw crystal clear views of unique landscapes and refreshing sights from high-up observatories Read more...

More about Photography, Instagram, Social Media, Mashable Photo Challenge, and Mashable Photo Challenge Guest Series