The Lingotto building in Via Nizza was once an automobile factory for Fiat. The finished cars were taken to the rooftop where there was a test track. The factory was first opened in 1923 but once it became outmoded it was closed in 1982.

This awesome playground was built at the rooftop of three penthouses in Copenhagen, Denmark by the company JDS Architectures. The neighborhood where the building’s located is too dense, so the company decided to fully utilize the rooftop space, creating a place for children to play and for adults to relax. The playground features a real grass hill slope, shock-absorbing orange deck, viewing platform and an outdoor kitchen for adults with a place for barbeque.

There is a small collection of fearless people who take their lives into their own hands when they go to the edge of very high buildings and structures and have photographs snapped of them. There is no net between them and the ground, and hopefully no wind either.

The lake on the Selfridges roof garden opened for the first time since World War II. The lake is located in London and dyed green and serves cocktails. In order to give the Selfridges a boating license, there were miles of steel used to reinforce the roof so that it would hold the lake.