The park gets its name after the Saguaro cactus, which can live as long as 200 years, growing over fifty feet tall and weighing more than ten tons.
The Netherland's hidden treasure, and one of the countries largest national parks.
The Wave is made out of 190 million year old sand dunes that have turned to red rock, on the border of Arizona and Utah.
Over 2000 natural sandstone arches, an area which contains the largest concentration of arches found any where in the world,
Also known as the Great Indian Desert, it actually lies in two countries: India and Pakistan. With 83 people per sq km, this is the most populated desert in the world.
One of the finest tiger reserves in the country and one of the best places to see these majestic predators in the wild.
Chamarel 7 coloured earth is a strange lava formation in Mauritius. Sunrise is the best time to see the Coloured Earths. Geologists are still intrigued by the rolling dunes of multi-coloured lunar-like landscape. The colours, red, brown, violet, green, blue, purple and yellow never erode in spite of torrential downpours and adverse climatic conditions. The phenomena has never been explained but it is believed the earths are composed of mineral rich volcanic ash.
Ranked as the sixth greatest female star of all time by the American Film Institute in 1999, Marilyn Monroe was an American actress, singer and model that died on August 5, 1962.
It preserves the world's longest known cave system, with over 360 miles of caves.
A great park, set in the middle of an extinct volcano, with unique geological features.
Meaning "bad land" in Spanish, the landscape here is formed mainly by lava flow.