The world's greenest cities - If you're a lover of beautiful landscapes, you might find your next destination in this gallery.

The agency TravelBird created a list of the world's 50 greenest cities. They are places devoted to sustainability and making an effort to preserve and expand their natural areas. Take a look!

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50. Tokyo, Japan - Tokyo kicks off the list. Take a trip to Chidorigafuchi Park, in the region of Chiyoda.

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49. Istanbul, Turkey - Visit the famous Blue Mosque and enjoy the surrounding landscapes.

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48. Athens, Greece - As well as hosting ancient monuments, Athens also has a lot of green spaces to enjoy.

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47. Lyon, France - One of Lyon's most famous parks is the Parc de la Tête d'Or, which has beautiful scenes like this.

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46. Santiago, Chile - Visit the hills, such as Cerro Santa Lucía.

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45. Paris, France - The most romantic city in the world is also one of the greenest. Why not walk through the long garden on the way to the Eiffel Tower?

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44. Mexico City, Mexico - Big metropolises can also have big green spaces.

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43. Seoul, South Korea - One of the remnants of the 1988 Olympic Games is the city park.

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42. New York City, USA - Central Park is the city's lungs.

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41. Barcelona, Spain - Barcelona has plenty of places to take in nature. Visit the Parc de la Ciutadella.

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40. Toronto, Canada - Toronto Music Garden is well worth a visit.

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39. Brussels, Belgium - In this Belgian city you can see the famous European parliament building while taking a stroll through the beautiful park next door.

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38. San Francisco, USA - One of the most iconic streets in San Francisco, Lombard Street offers flowery views, a must see for anybody who appreciates a good view.

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37. London, UK - Visit Hyde Park, right in the center of the city.

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36. Copenhagen, Denmark - The Danish capital comes in at 36th place. Take a stroll through the Tivoli Gardens.

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35. Luxembourg, Luxembourg - Viewed from above it's easy to see why see it makes the list. The Place de la Constitution has great views.

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34. Manchester, UK - A surprising inclusion. Heaton Park is a welcome green space in the industrial city.

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33. Antwerp, Belgium - Known for its port and diamonds, Antwerp has another jewel in its crown: Middelheim Park.

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32. Lisbon, Portugal - Want to make the most of Lisbon's pleasant climate and views? Head to Eduardo VII Park.

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31. Nicosia, Cyprus - Nicosia has a fantastic blend of nature and old architecture.

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30. Oslo, Norway - No trip to Oslo is complete without a trip to Vigeland Park.

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29. Dublin, Ireland - The Irish capital has a cathedral dedicated to the patron saint, St. Patrick. Beside it is a park, and nearby is Phoenix Park, one of Europe's largest urban parks.

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28. Tokyo, Japan - Tokyo makes its second appearance on the list since TravelBird divides the city into two zones: Tokyo Metropolis and Tokyo wards. Visit the Showa Memorial Park.

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27. Los Angeles, USA - You probably recognize Echo Park from a movie. It is in the land of Hollywood after all.

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26. Washington, D.C., USA - The capital makes it onto the list at 26th. Take a stroll through the Constitution Gardens.

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25. Stockholm, Sweden - Drottningholm Palace, the residence of the Swedish royal family, is well worth a visit.

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24. Munich, Germany - The Olympiapark was constructed for the 1972 Olympic Games and is still a great place to go and chill.

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23. Amsterdam, Netherlands - Among the countless attractions on offer in the Dutch capital, one of the most popular is the gorgeous Rijksmuseum Gardens.

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22. Zurich, Switzerland - Visitors to the Swiss National Museum can enjoy this lovely view.

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21. Madrid, Spain - Madrid is one of the world's great cities, not just for its rich culture and architecture but also for its vast green spaces, such as Retiro Park.

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20. Budapest, Hungary - If you find yourself in the Hungarian capital, visit the Vajdahunyad castle and marvel at the picturesque flowers and trees.

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19. Rotterdam, Netherlands - Rotterdam comes in at 19th for its combination of urban living and nature.

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18. Berlin, Germany - If you thought Berlin was just urban sprawl you were wrong. There are plenty of options for anybody who wants a bit of fresh air, like the gardens at the Charlottenburg Palace.

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17. Vienna, Austria - The Volksgarten public park is just one of many beautiful locations to sit and enjoy a pleasant afternoon in Vienna.

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16. Tel Aviv, Israel - Visit the wonderful Yarkon public park.

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15. Tallinn, Estonia - Tallinn isn't just one of the world's great green cities, it is full of all kinds of color.

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14. Edinburgh, Scotland - The Scottish capital is full of great parks. Visit the famous Scott Monument.

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13. Helsinki, Finland - Visit the cathedral. It is surrounded by beautiful flowers.

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12. Warsaw, Poland - Warsaw is fabulous, especially the Saxon Garden.

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11. Marseille, France - Borély Park is perfect for a nice walk in this captivating French city.

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10. Riga, Latvia - The Latvian capital kicks off the top 10. Here you can see the National Opera Hall with a gorgeous park in front.

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9. Hamburg, Germany - Hamburg's Planten un Blomen park is popular with tourists and locals alike, who go to relax and take a load off.

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8. Berne, Switzerland - The Swiss capital is full of stunning views that have earned it its place at number eight.

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7. Rome, Italy - Rome isn't just about the Colosseum. Take a walk through the beautiful park of Villa Borghese!

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6. Prague, Czech Republic - Petrin Hill Park will make you feel closer to nature and it's a great spot for the whole family to relax.

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5. Sydney, Australia - The Australian city is a fantastic combination of urban environments and nature. Hyde Park demonstrates the balance and harmony of the two.

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4. Gothenburg, Sweden - This Swedish town is a gorgeous mix of colors and beautiful scenes.

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3. Bratislava, Slovakia - The Slovakian capital gets TravelBird's bronze medal!

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2. Auckland, New Zealand - Second place goes to Auckland. The charming New Zealand city ticks all the boxes.

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1. Reykjavik, Iceland - According to TravelBird, Reykjavik is the greenest city in the world. Maybe it will be your next destination!

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