Visit Red Square and the Kremlin

Peter the Great’s "Russian Versailles" with its cascade of gilded fountains.

The 50,000-seat amphitheatre where Rome staged its bloodiest spectacles for 2,000 years

Stand among the cloud-wrapped ruins of Machu Picchu, the 15th-century Inca citadel perched high above Peru's Sacred Valley

The torch-bearing symbol of New York.

Climb 251 spiralling steps up the world's most famous architectural mistake — tilting since 1173

Chandeliers, mosaics and marble a hundred metres down; the palace the Soviets built for commuters.

St Petersburg’s onion-domed church, lined inside with 7,000 m² of mosaic.

Three rooms of pine, built in three days in 1703; the first building in St Petersburg.