Tunisia’s Dghoumes National park

If you are ever in Nairobi, the one place most people will tell you to visit is the Nairobi National Park. But the ecosystem of this natural heritage seems to be under threat as the controversial Standard Gauge railway snakes rights through it.

In Dghoumes National Park in southern Tunisia, conservationists are reintroducing animals which had almost disappeared, like buzzards, gazelles and ostriches to the area after extensive reforestation efforts.

France's Mercantour National Park is a green sanctuary at the heart of the Alps. It's best known for being one of the wildest in France and having one of the most varied landscapes. Its unique location, near the French Riviera, brings Mediterranean touches to these Alpine mountains. This area is also where the wolf returned to France from Italy in 1992. We take a closer look at this sanctuary for wildlife.

This Wednesday is International Wetlands Day. Worldwide, wetlands cover 12.1 million km². But more than 30 percent have been lost over the past 50 years, despite them playing a crucial role in mitigating the impact of climate change. One example is the Mangroves National Park in the Democratic Republic of Congo. It's the only marine park in the country and it's home to a wide variety of plants and rare animals, including sea turtles. But the park is increasingly threatened by poaching and illegal logging. The construction of a deep water port in the vicinity has also sparked controversy. Our correspondents report.

The Yellowstone National Park was closed down for the first time since 1988 due to torrential rains, flooding and melting snow. The park was just opening for the summer tourist season.

Police in South Africa are searching for suspects wanted for the killing of a German tourist who was shot dead while traveling to the world renowned Kruger game reserve.

The Dry Tortugas National Park in Florida has been shut indefinitely as authorities struggled with migrants arriving in boats. There has been a rise in migrants arriving from Cuba due to the economic turmoil there.

Legend has it that in 1963, France's Vanoise National Park was created to save the last endangered Alpine ibex. With 107 peaks of over 3,000 metres or more, the park in the heart of France's Savoie region attracts thousands of hikers each year in search of fresh air and the great outdoors. In this intact nature reserve, locals have developed alternatives to the usual winter sports. From snowshoeing to discover wildlife, to dog sledding for a unique adventure and even diving into a frozen lake, there's something for everyone!