Two great posts on the 50 (and 50 m0re) most famous landmarks on earth.
Here are the first 50. I’ve bolded the 22 I’ve visited:
- Blue-domed Church in Santorini
 - St Basil Cathedral in Moscow
 - The Statue of Liberty in New York
 - Machu Picchu in Peru
 - The Taj Mahal in Agra ( India )
 - The Eiffel Tower in Paris
 - The Great Sphynx at Giza
 - The Chinese Wall in China
 - Uluru in the Northern Territory
 - The Little Mermaid in Copenhagen
 - Windmills at Kinderdijk ( Holland )
 - Agia Sofia in Istanbul, Turkey
 - Acropolis of Athens
 - Mount Fuji in Japan
 - Stonehenge in the English county of Wiltshire
 - Big Ben in London
 - Neuschwanstein in Bavaria
 - Mount Eden crater in New Zealand
 - Loch Ness in Scotland
 - Easter Island in the Polynesian Triangle
 - Christo Redemptor in Rio de Janeiro
 - Capitol Hill in Washington DC
 - Tower of Pisa
 - Al Aqsa in Jerusalem
 - Niagara Falls at the border of Ontario ( Canada ) and New York ( USA )
 - Angkor Wat at Cambodia
 - The Burj in Dubai
 - Bran Castle in Romania
 - Manneke Pis in Brussels
 - Mount Everest on the border of Tibet and Nepal
 - Mecca in Saudi Arabia
 - Brandenburg Gate in Berlin
 - St Peters at Vatican City
 - Mont St Michel in France
 - Mount Rushmore in South Dakota
 - Victoria Falls between Zambia and Zimbabwe
 - The Grand Canyon in Arizona
 - Nevado Mismi in Peru ( source of the Amazon River )
 - Auschwitz in Poland
 - The Great Buddha of Kamakura in Tokyo
 - Neptune and the Palace of Versailles in France
 - Cape of Good Hope in South Africa
 - Trevi Fountain in Rome
 - Petra in Jordan
 - Sagrada Familia in Barcelona
 - North Cape in Norway
 - Chichen Itza in Mexico
 - Inukshuk in Canada
 - Lascaux in France
 - Table Mountain in South Africa
 
and here are the second 50, with the 17 I’ve visited bolded.
- The Colosseum in Rome
 - The Pyramids of Giza in Egypt
 - The Blue Mosque in Istanbul
 - Golden Gate Bridge in San Francisco
 - Sydney Opera House in Australia
 - Iguazu Falls on the border of Brazil and Argentina
 - Kremlin in Moscow
 - Parc Guell in Barcelona
 - Kilimanjaro in Tanzania
 - Waterloo in Belgium
 - The Empire State Building in New York
 - Newgrange in Ireland
 - Forbidden City in Beijing
 - Millau Bridge in France
 - The Sphinx in Romania
 - Faisal Mosque in Islamabad
 - Hermitage in Saint Petersburg
 - Konark Sun Temple in India
 - Dom in Berlin
 - Luxor Temple in Egypt
 - Pompeii in Italy
 - The Louvre in Paris
 - Angel Falls in Venezuela
 - Twyfelfontein in Namibia
 - The Prophets Mosque in Medina
 - Tower Bridge in London
 - American Cemetery in Normandy
 - Sacré Coeur in Paris
 - Abu Simbel in Egypt
 - Potala Palace in Llasa
 - Jin Mao and SWFC in Shanghai
 - Middle of the Earth in Ecuador
 - Carnac in France
 - The Wailing Wall in Jerusalem
 - Tilicho Lake in Nepal
 - Sceilig Mhichil near the coast of Ireland
 - Temple of Besakih in Bali
 - Golden Temple in India
 - Atomium in Brussels
 - Minaret of Jam in Afghanistan
 - White Cliffs of Dover in Great Britain
 - Ephesus in Turkey
 - Vinson Massif in Antarctic
 - Lotus Temple in India
 - CN Tower in Canada
 - Piazza San Marco in Venice
 - Half Dome at Yosemite Valley in California
 - Hollywood Sign in Los Angeles
 - Twelve Apostles in Australia
 - Rock of Gibraltar