1. Climb to the top of the world’s tallest sand dune in the Namib-Naukluft National Park.
The Namib-Naukluft National Park in Namibia is the largest game park in Africa and the fourth largest in the world. It is notable for having the largest sand dunes in the world, with some reaching 1,000 feet.
2. Explore the colorful world of Great Barrier Reef off the coast of Queensland, Australia.
The Great Barrier Reef is the world’s largest natural coral reef in the world and houses dozens of species of fish and aquatic mammals. Scuba diving and snorkeling expeditions are available for all levels throughout the region.
4. Hike across the Turkmenistan desert and peer into The Door to Hell.
The Door to Hell is a massive crater located in a natural gas field in Darvaza, Turkmenistan which has been burning continuously since it was lit by petroleum workers in 1971. Standing at the edge of the crater is like peering into an active volcano.
6. Traverse the historic Sultans Trail from Vienna to Istanbul.
The Sultans Trail is a 1,400-mile long footpath which crosses nine countries and was first taken by Sultan Suleiman the Magnificent of the Ottoman Empire in 1529. The Rila Mountain in Bulgaria, pictured above, is one of the many incredible sights along the way.
7. Profess your love at the top of Mount Hua in China.
Mount Hua is considered one of China’s five great mountains. Every year, hundreds of couples flock to the peak via treacherous passages to adorn the fence with red cloth and locks symbolizing their commitment.
8. Wander among the giant Amazon water lilies at the Pamplemousses Botanical Garden in Mauritius.
The enormous lily pads on the isle of Mauritius are but one of the many incredible sights to see. Adventure parks throughout the island always offer tours of the rainforest from atop rope bridges, for those who want to take their nature walks to the next level.
9. Surf on the remote island of Sumba, Indonesia.
If you want perfect waves and empty beaches, you can find it on Sumba, an island in eastern Indonesia. The island only has one resort, so book well in advance.
10. Explore the ancient caves of Hang Son Doong, Vietnam.
Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.