A living wall, also referred to as a green wall, vertical garden, or sky farm, is usually part of a building and consists of some sort of vegetation. These types of gardens are sometimes referred to as urban gardening, because they are well-suited for an urban environment where space on the ground is very limited but vertical space is plentiful. These vertical gardens can be quite spectacular in appearance, and in some cases, they even work to filter clean air into the building in which they are growing upon.

Vertical gardens can be grown on just about any type of wall, with or without the use of soil, and they can be placed both on outdoor and indoor walls. As long as there is not shortage of water for the living wall, no soil is required. These amazing sky farms are able to literally bring life to an old rundown building in the middle of the city and they are becoming increasingly popular inside office buildings, homes, and retail stores because of their outstanding beauty and their natural air purification properties.

Living walls have fast become an art form for many people, and one of the pioneering vertical garden artists is Patrick Blanc. He observed how plants were able to grow vertically without the need for soil in the wild, and soon developed a way to create artistic looking vegetation walls that were both lightweight and needed little maintenance. Since these living walls only weighed approximately 30 kg or less per square-meter, he noticed that just about any type of wall would be able to support the weight of a vertical garden. There are many amazing examples of vertical gardens around the world. Here’s our list of some of the most creative and beautiful living walls in the world. We may have missed some of course, but please feel free to drop any we’ve missed in the comments.

Musee du quai Branly, Paris, France

This popular French museum near the Eiffel Tower in Paris is home to one of the best examples of vertical garden work by artist Patrick Blanc. The living wall here is about 200 meters long and 12 meters tall. The museum’s living exterior was at one time healthy and vibrant, but today you can see signs of the inadequate support for irrigation and drainage of the garden – although it still remains breathtakingly beautiful.

Sky Farm, Las Vegas

A proposed $200 million sky farm in the city of Las Vegas would be the world’s first 30-story vertical farm. This building would have 30 floors of indoor farm land, and it is estimated that a vertical farm such as this one could produce enough food to feed 72,000 people per year. This proposed vertical sky farm would grow approximately 100 different crops, and would bring in an estimated $40 million in annual revenue via produce sales and tourism to the one-of-a-kind structure. This sky farm is only in the preliminary stages of design, and it could quite a while before this awesome vertical farm is actually built (if ever).

SkyFarm, Toronto, Canada

A new vertical farm in the downtown area of Toronto, called SkyFarm, could help to feed 35,000 area residents each year. The advantage of the SkyFarm is that the proposed building would only require about 1.32 hectares of land for the 58 story building to sit on. However, it will have about 8 million square-feet of growing space for crops, bringing in the same amount of produce as a 420 hectar farm. The 714 feet structure would bring in an estimated $23 million of revenue each year.

Residence Antilia, Mumbai, India

This new eco-building is scheduled to be completed by the end of 2008, and upon its completion will hold the world record for the largest and tallest living wall, not just in India, but on the planet. This 200 meter tall building, called Residence Antilia, will feature vertical gardens all the way up its exterior walls. Costing, $1 billion, the revolutionary design will make it not only the world’s greenest skyscraper, but also one of the most unique and beautiful structures in the world.

NEXT: See the amazing living wall system in Japan and the spectacular vertical farms of paris

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