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1. Ahsan Manzil (The "Pink Palace")
This palace and national museum was once the official residence of the Nawab of Dhaka.
2. The Dead Cities
A group of 700 abandoned settlements - now archaeological sites - in northwest Syria.
3. Athabasca Glacier
Part of the larger Columbia Icefield, this glacier has lost over half its volume in 125 years.
4. Lake Peipus
The largest trans-boundary lake in Europe, lying on the border of Estonia and Russia.
5. Molinere Bay Underwater Sculpture Park
The world's first of its kind, located in the Caribbean Sea off the west coast of Grenada.
6. Tara River Canyon
The largest and deepest (1300 metres) canyon in Europe.
7. The Forbidden City
The famous palace complex located in the center of the Imperial City of Beijing.
8. Jungfrau Railway
A mountain railway - the highest in Europe - located in the Bernese Alps.
9. Lake Piso
The country's largest lake, near the town of Robertsport, northwest of the capital Monrovia.
10. Bled Island
Surrounded by Lake Bled, and notable for its beautiful church dedicated to the Assumption of Mary.
11. Ez Zeraf Game Reserve
Internationally important for its large concentrations of mammals, including hippopotamuses.
12. Green Grotto Caves
The caves are home to nine species of bat, and are named for the green algae that cover its walls.
13. Aquaria KLCC
A sprawling 60,000 square foot oceanarium located beneath Kuala Lumpur Convention Center.
14. Gutenberg Castle
A 13th Century castle on a hilltop in the town of Balzers.
15. Guadalcanal
The largest island by area in the Solomon Islands.
16. Boali Falls
50m high and 250m wide, these falls are a popular tourist destination.