Visit the Eiffel Tower, an iconic iron lattice tower in Paris, standing 330 meters tall
Visit the iconic Golden Gate Bridge, spanning 2.7 km in San Francisco
Visit the iconic Empire State Building, a 102-story skyscraper in New York City
Visit Neuschwanstein Castle, the iconic fairy-tale castle in Bavaria, Germany, that inspired Disney's Sleeping Beauty Castle
Visit the Palace of Versailles, a historic royal residence near Paris known for its opulent architecture and gardens
Visit the Vessel, a 16-story interactive sculpture and landmark at Hudson Yards in New York City
Brussels' ornate guildhall square, UNESCO-listed.
The grandest of Seoulโs five Joseon palaces, with a changing-of-the-guard ceremony and hanbok rental for free entry.
Visit Cologne Cathedral, a masterpiece of High Gothic architecture and a UNESCO World Heritage site. Construction began in 1248 and took over 600 years to complete. It is the tallest twin-spired church in the world, standing at 157 meters, and houses the Shrine of the Three Kings, a reliquary said to contain the bones of the Biblical Magi.
Tower with skywalk and bungee jump.
The world's greatest Renaissance church.
Iconic Ottoman arched bridge over the Neretva.
Pragueโs 14th-century stone bridge lined with 30 baroque saints โ walk it at dawn before the crowds and buskers arrive.
The largest ancient castle complex in the world, with St Vitus Cathedral, the Golden Lane cottages and the hourly guard change.
Nine giant steel spheres from Expo 58 โ Brusselsโ space-age landmark.
A 553-metre tower with a glass floor, a revolving restaurant and the EdgeWalk โ a hands-free stroll around the outside rim.
Walk the 1883 suspension bridgeโs wooden promenade from Brooklyn into Manhattan, with the skyline rising ahead through the Gothic stone towers.
Strike the classic 'holding up the tower' pose at the Leaning Tower of Pisa, the iconic 56-meter bell tower in Italy's Piazza dei Miracoli. The tower's famous 3.9-degree lean is the result of an unstable foundation that began sinking during construction in 1173. Besides the tower, explore the adjacent Pisa Cathedral and Baptistery, both masterpieces of Romanesque architecture.
Mies van der Rohe's bronze tower on Park Avenue; the blueprint every glass skyscraper copied.
Seat of the worldโs oldest republic and its changing of the guard.
Macau's iconic baroque church facade.
Restored Romanesque-Gothic castle above the Our river, one of the largest west of the Rhine, with a chairlift to the view.
Wave-patterned UNESCO plaza.
Bernini's vast colonnaded piazza.
Futurist petrol station shaped like an aeroplane โ icon of Asmaraโs modernism.
The Prince of Liechtensteinโs home on a crag above the capital โ closed inside, but the hillside path gives the postcard view.
The largest church in the world, a marble replica of St Peterโs standing in the African bush.
Elegant seaside colonnade in Gagra.
Soaring 1949 basilica with a green-tiled roof and pointed arches inspired by Congolese huts โ Brazzaville's landmark.
Three 1979 spheres-on-spires on the seafront, with a revolving viewing deck 120 m above the Gulf.
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