The Walkie-Talkie building in London's financial district, which became infamous last summer for melting cars, opened its top-floor sky garden to the ... offers some of the best rooftop views ...

Second, for its amazing Sky Garden, which opened in January this year ... It feels like a space station from the inside. The best views are at dawn and sunset, with magnificent lights and shadows.

pictured in these exclusive images by photographer Edmund Sumner (+ slideshow). Rafael Viñoly – a Uruguayan architect based in New York – conceived the Sky Garden as a public park ...