The 50,000-seat amphitheatre where Rome staged its bloodiest spectacles for 2,000 years
Walk along the Great Wall of China, a UNESCO World Heritage site
Stand among the cloud-wrapped ruins of Machu Picchu, the 15th-century Inca citadel perched high above Peru's Sacred Valley
Brussels' ornate guildhall square, UNESCO-listed.
The torch-bearing symbol of New York.
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.
The world's greatest Renaissance church.
Iconic Ottoman arched bridge over the Neretva.
The guardian lion of the Giza plateau.
The largest ancient castle complex in the world, with St Vitus Cathedral, the Golden Lane cottages and the hourly guard change.
The oldest of San Marino’s three towers, an 11th-century fortress on Monte Titano with views to the Adriatic.
Seat of the world’s oldest republic and its changing of the guard.
Wave-patterned UNESCO plaza.
Macau's iconic baroque church facade.
Bernini's vast colonnaded piazza.
Futurist petrol station shaped like an aeroplane — icon of Asmara’s modernism.
Mountaintop fortress, UNESCO-listed.
Antigua's iconic yellow arch.
Three grand madrasas on one square.
Ancient rock fortress with frescoes.
One of the world’s largest stupas, ringed by prayer wheels and monasteries.
Neo-Gothic riverfront parliament, Budapest’s defining silhouette.
Fortress on Castle Rock holding the Scottish crown jewels and the one o’clock gun.
19 historic windmills, UNESCO-listed.
Fortified mud-brick ksar on the old caravan route — a favourite film set for decades.
Historic fortress and the Crown Jewels.
Moscow’s historic heart: St Basil’s domes, the Kremlin walls and GUM.
Istanbul's six-minareted mosque.
The Parthenon and its temples on the rock above Athens — the birthplace of democracy, best climbed at opening time.
Ancient city of the Sun and Moon pyramids.
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