1 of 10
1. Temples of Angkor, Cambodia
\nThe largest religious monuments in the world, the temples are a UNESCO-protected Heritage site. They are the remains of the Khmer Empire that reigned from the 9th to the 15th century.
2 of 10
2. Great Barrier Reef, Australia
\nThe world’s largest coral reef stretches over 3000km up the coast of Australia. It has 1500 species of fish, 400 types of coral, 30 kinds of whales, dolphins and porpoises, 17 breeds of sea snake, and six classes of sea turtles.
3 of 10
3. Machu Picchu, Peru
\nSituated in the middle of a tropical mountain forest, Machu Picchu is the Inca city of the 15th century Inca Empire. It is entirely built of dry-stone walls.
4 of 10
4. Great Wall of China
\nIn c. 220 B.C., the Wall of China was built as a defence system against invasions from the north. It is the world’s largest military structure.
5 of 10
5. Taj Mahal, India
\nThe white marble mausoleum was built by Emperor Shah Jahan for his wife, Mumtaz Mahal. Ironically, Jahan spent his final years imprisoned in a fort by his son, with only a view of the Taj.
6 of 10
6. Grand Canyon National Park, USA
\n227 miles long and 18 miles wide, the Grand Canyon is said to have been established by the Colorado River, as it cut layer after layer of rock for the duration of 17 million years.
7 of 10
7. Colosseum, Italy
\nThe 50,000-seat amphitheatre is the largest in the world. In it, gladiators fought mortal combat and prisoners wrestled wild beasts. The battling ground was filled with sand as to hide the large amounts of bloodshed.
8 of 10
8. Iguazú Falls, Brazil-Argentina
\nLocated between Brazil and Argentina, the waterfalls are a collection of many cascades. They are surrounded by a subtropical rainforest that has over 2,000 species of vascular plants, tapirs, giant anteaters, howler monkeys, ocelots, jaguars, and caymans.
9 of 10
9. Alhambra, Spain
\nThe Alhambra fortress acted as the royal residence for Arab Islamic rulers who governed Spain in the 13th and 14th century. It is known for its intricate Islamic architecture and irrigated gardens.
10 of 10
10. Hagia Sofya, Turkey
\nKnown to have been a church, a mosque and then a museum, Hagia Sofia was built 1500 years ago. It served as an inspiration for Ottoman monuments like the Blue Mosque and the Suleymaniye Mosque.