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1. Sistine Chapel
Famous for its magnificent ceiling painted by Michelangelo, and the site of the Papal Conclave.
2. Vieng Xai Caves
The extensive network was used as a safehaven from American bombardment during the Second Indochina War.
3. Kouré Giraffe Reserve
60 kms from Niamey lies this reserve where you can see West African Giraffes in their natural habitat.
4. Saona Island
A small tropical island known for its beaches and stereotypical 'deserted island' feel.
5. Corcovado National Park
"The most biologically intense place on Earth in terms of biodiversity", according to National Geographic.
6. Blue Lagoon Geothermal Spa
A high silica content causes the distinctive color of this popular attraction in Iceland.
7. Hahoe Folk Village
A traditional village from the Josean Dynasty, preserving architecture and cultural traditions from the period.
8. Ben Nevis
The United Kingdom's tallest mountain, located in Scotland and climbed over 100,000 times a year.
9. Sibebe Rock
A massive granite dome that is the world's second largest 'monolith', after Australia's Uluru.
10. Old Faithful Geyser
In Yellowstone National Park, Wyoming, the geyser has erupted every 44 minutes to 2 hours since 2000.
11. Vardzia Cave Monastery
Up to nineteen tiers of caves stretch 500 metres wide in the slopes of the Erusheti Mountain.
12. Nurek Hydro-Electric Dam and Reservoir
The second tallest dam in the world, built in the 1960s and 70s by the Soviet Union.
13. The Fabedougou Domes
Dome-shaped limestone formations sculpted over millennia by water and erosion.
14. Prickly Pear Island
An islet off the north shore coast of Antigua.
15. Tomb of Askia
The burial place of Askia Mohammad I, one of the Songhai Empire's most prolific emperors.
16. Konark Sun Temple
Dawn light illuminates the sanctuary of this 13th Century temple dedicated to the Hindu sun God Surya.