Top 10 sights in the world-UPNEXT

1. Temples of Angkor, Cambodia

Monks wandering through the temple ruins of Ta Prohm. Image by Mark Read / Lonely Planet

2. Great Barrier Reef, Australia

Aerial view of Heart Reef on Great Barrier Reef near Whitsunday Islands. Image by Matt Munro / Lonely Planet

3. Machu Picchu, Peru

The 15th-century Inca city of Machu Picchu. Image by Philip Lee Harvey / Lonely Planet

4. Great Wall of China

The Jiankou section of the Great wall of China. Image by Mark Read / Lonely Planet

5. Taj Mahal, India

Early morning fog at Taj Mahal. Image by Mark Read / Lonely Planet

6. Grand Canyon National Park, USA

The Grand Canyon seen from the South Rim. Image by Mark Read / Lonely Planet

7. Colosseum, Italy

The Colosseum at dawn. Image by Justin Foulkes / Lonely Planet

8. Iguazú Falls, Brazil-Argentina

Water pouring over Iguazú Falls. Image by Matt Munro / Lonely Planet

9. Alhambra, Spain

Alhambra seen from Mirador de San Nicolas. Image by Pete Seaward / Lonely Planet

10. Aya Sofya, Turkey

The extraordinary interior of the Aya Sofya. Image by Mark Read / Lonely Planet