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1.
Sydney Harbour Bridge, Australia
Bottom Left - Hell Gate Bridge, USA. Top Right - Tyne Bridge, UK. Bottom Right - Chaotianmen Bridge, China.
2.
Trevi Fountain, Italy
Top Left - Fountain of Neptune, Rome. Bottom Left - Moor Fountain, Rome. Bottom Right - Fountain of Moses, Rome.
3.
Petra, Jordan
Top Left - Abu Simbel Temple, Egypt. Top Right - Mada'in Salih, Saudi Arabia. Bottom Right - Naqsh-e Rostam, Iran
4.
Christ the Redeemer, Brazil
Top Left - Christ the King, Portugal. Bottom Left - Christ the King, Poland. Top Right - Cristo Rey, Colombia.
5.
Nuuk, Greenland
Top Left - Grytviken, South Georgia. Top Right - Longyearbyen, Svalbard. Bottom Right - Tobolsk, Russia
6.
Colosseum, Rome, Italy
Bottom Left - Arles Arena, France. Top Right - Pula Arena, Croatia. Bottom Right - El Jem Arena, Tunisia
7.
Chichen Itza, Mexico
Top Left - Tikal, Guatemala. Bottom Left - Xunantunich, Belize. Bottom Right - Tazumal, El Salvador
8.
Khyber Pass, Pakistan
Top Left - Sani Pass, Lesotho. Top Right - Agua Negra Pass, Argentina. Bottom Right - Stelvio Pass, Italy
9.
Hagia Sophia, Turkey
Top Left - Hazrat Sultan Mosque, Kazakhstan. Bottom Left - Al Azhar Mosque, Egypt. Top Right - Juma Mosque, Azerbaijan.
10.
Eiffel Tower, France
Bottom Left - Las Vegas, USA. Top Right - Blackpool, UK. Bottom Right - Tokyo, Japan
11.
Chateau Frontenac, Quebec, Canada
Top Left - Palace of Parliament, Bucharest. Bottom Left - Potala Palace, Lhasa. Bottom Right - Palace of Versailles, France
12.
Washington Monument, USA
Top Left - Dalhousie Obelisk, Singapore. Top Right - Obelisk of Sao Paulo, Brazil. Bottom Right - Wellington Monument, UK
13.
Panama Canal
Top Left - Suez Canal. Bottom Left - St. Lawrence Seaway. Top Right - Manchester Ship Canal
14.
Neptune
Top Left - Uranus. Bottom Left - Venus. Bottom Right - Pluto
15.
Balmoral Castle, UK
Bottom Left - Sandringham House. Top Right - Palace of Holyroodhouse. Bottom Right - St. James's Palace