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1. Jellyfish Lake
Millions of jellyfish migrate across this marine lake on the uninhabited island of Eil Malk every day.
2. Shwedagon Pagoda
The most sacred Buddhist pagoda in Myanmar, with relics from four previous Buddhas.
3. Sistine Chapel
Famous for its magnificent ceiling painted by Michelangelo, and the site of the Papal Conclave.
4. Masjid al-Haram ("The Inviolable Mosque")
Known as The Great Mosque of Mecca, it is a site of mandatory pilgrimage for Muslims in the annual Hajj.
5. Mapu'a 'a Vaea Blowholes
Natural blowholes spurting 30 metres into the air on the island of Tongatapu.
6. Magdalene Fjord
One of Norway's many and stunningly beautiful fjords.
7. Aquaria KLCC
A sprawling 60,000 square foot oceanarium located beneath Kuala Lumpur Convention Center.
8. Sigiriya
An ancient rock fortress known for its massive column of rock that reaches nearly 200 meters high.
9. The Windmills at Kinderdijk
The largest concentration of old windmills (19 of them) in the Netherlands.
10. Nurek Hydro-Electric Dam and Reservoir
The second tallest dam in the world, built in the 1960s and 70s by the Soviet Union.
11. Banaue Rice Terraces
Carved into the mountains and fed by an ancient irrigation system from the rainforests above.
12. The Forbidden City
The famous palace complex located in the center of the Imperial City of Beijing.
13. Pyramid of the Sun
Constructed around 200 AD, it is the largest building in the ancient Mesoamerican city of Teotihuacan.
14. The Gardens of Babur
A historic park in Kabul, it was developed in the 16th Century by the first Mughal emperor Babur.
15. Sibebe Rock
A massive granite dome that is the world's second largest 'monolith', after Australia's Uluru.
16. Kungsleden ("King's Trail")
A hiking trail in Northern Sweden, about 440 kms in length.