1. Kalkalpen National Park, Austria
The Kalkalpen National Park is the largest forest region in Central Europe. The park is covered in pristine forests, hidden gorges and untouched mountain streams. It is a true paradise for nature fans.
2. Þingvellir National Park, Iceland
Home to the largest natural lake in Iceland, the Þingvallavatn, this park is a destination for hiking and diving.
3. Torres del Paine National Park, Chile
Home of the Cordillera del Paine, Torres del Paine National Park's towering glaciers are a wonder to see.
4. Namib-Naukluft National Park, Namibia
The beautiful Namib-Naukluft National Park is known for this surreal sand dunes, whose beautiful burnt orange color is a sign of how long they've been there. The orange color develops over time as the iron in the sand is oxidized. The older the dune, the brighter the color.
5. Grand Canyon National Park, Arizona
Grand Canyon National Park is an impressive 1,217,262 acres big and features it's namesake, one of the Seven Natural Wonders of the World, the Grand Canyon.
6. Fiordland National Park, New Zealand
In a book called Mountains of Water - The Story of Fiordland National Park the author described the park as "a cherished corner of the world where mountains and valleys compete with each other for room, where scale is almost beyond comprehension, rainfall is measured in metres and scenery encompasses the broadest width of emotions'"
7. Yellowstone National Park, Wyoming
Home to many grizzly bears, wolves, and herds of bison and elk, Yellowstone was America's first national park.
8. Redwood National Park, California
Often used as a source for logging, Redwood National Park has shrunk in size from it's original 2,000,000 acres. But it's still a treat to stand among the trees which can reach up to almost 400 feet tall.
9. Triglav National Park, Slovenia
The Triglav National Park is the only national park in Solvenia, which makes it a gem for more than just one reason. It extends along the Italian border and close to the Austrian border in the north-west of Slovenia, that is, in the south-eastern section of the Alps.
10. Los Roques Archipelago National Park, Venezuela
Los Roques archipelago is composed of 350 islands, cays, and islets. Some islands are large enough to use communities while some islets are so small, you can only fit a chair. Talk about a private beach!
11. Serengeti National Park, Tanzania
The Serengeti is comprised of almost 1.5 million acres of magnificent flat savannah. It's home to thousands of lions, hippos, zebra, and more. The annual migration of these beautiful creatures is known as one of the most impressive natural spectacles in the world.
12. Los Glaciares National Park, Argentina
The Los Glaciares National Park is named after the vast expansive glaciers that make up the Ice Caps - the largest continental ice extension after Antarctica.
13. Loch Lomond and the Trossachs National Park, Scotland
Home to the second largest lake in Scotland after Loch Ness (yes, home to the Loch Ness moster), Loch Lomond and The Trossachs National Park is home to a small population of humans and a large population of flora and fauna.
14. Kakadu National Park, Australia
15. Mercantour National Park, France
Set in the southern alps, Mercantour National Park is the perfect spot for skiing in the winter and hiking in the summer!
16. Olympic National Park, Washington
The ocean and the mountains live together in harmony in Olympic National Park. Home to rivers, meadows, mountains and the coast line this park is heaven.
17. Cotopaxi National Park, Ecuador
Cotopaxi National Park is home to the Cotopaxi volcano, one of the highest active volcanoes in the world that has erupted more than 50 times since 1738.
18. Lahemaa National Park, Estonia
Lahemaa, which translated means Land of Bays, is located on the northern coast of Estonia. It's home to both stony and sandy seashores, bogs straight out of fairy tails, pine forests, and rivers that run along the beautiful limestone cliffs.
19. Seoraksan National Park, South Korea
Seoraksan National Park was is a relatively new park, only designated as such by South Korea's government in 1965. Since then they've created trails to walk and hike on.
20. Jiuzhai Valley National Park, China
Jiuzhai Valley National Park is home to over 300 wildlife species, nine Tibetan villages and giant pandas!
21. Gangotri National Park, India
Gangotri National Park is home to the Gangotri glacier, the origin of the massive and beautiful Ganges River.
22. Sagarmatha National Park, Nepal
The Sagarmatha National Park is rightfully famous for it's beautiful mountains including the one and only Mount Everest.
23. Chapada Diamantina National Park, Brazil
The beauty and tranquility of Chapada Diamantina will blow you away. Whether you're an adrenaline junkie or a low key hiker, the park has plenty to do and explore.
24. Oulanka National Park, Finland
With the northern lights overhead, hiking Oulanka National Park is a one of a kind experience.