A claimed southernmost source of the Nile.
Stone marking where Livingstone and Stanley camped on Lake Tanganyika’s shore.
Sacred rock outcrop over Abeokuta.
Antigua's iconic yellow arch.
Renaissance castle built into the mouth of a cliff cave, with secret tunnels used by a robber knight.
Memorial arch on the beach where enslaved people were forced onto ships.
Vast Mughal-era mosque of red sandstone and marble domes.
Fairy-tale romantic castle above a town of thermal springs.
Fortress on Castle Rock holding the Scottish crown jewels and the one o’clock gun.
19 historic windmills, UNESCO-listed.
Storybook fortress on a rock island ringed by a river canyon.
Fortified mud-brick ksar on the old caravan route — a favourite film set for decades.
Ancient city of the Sun and Moon pyramids.
The oldest and largest inhabited castle in the world, the King’s weekend home, with St George’s Chapel and the State Apartments.
Moscow’s historic heart: St Basil’s domes, the Kremlin walls and GUM.
Historic fortress and the Crown Jewels.
Norman Foster’s glass dome spirals above the German parliament chamber, with a free 360° view over Berlin.
The largest surviving Romanesque church in Europe, built for pilgrims on the road to Santiago and topped by a five-tier octagonal bell tower.
Paris’s 850-year-old Gothic cathedral, reopened after the 2019 fire with its spire and oak roof rebuilt by hand.
Berlin's neoclassical symbol of reunification.
A 1.3-km stretch of the Berlin Wall painted by artists in 1990 — including the famous Brezhnev–Honecker kiss.
Beijing's vast imperial palace complex.
Sikhism's radiant golden shrine.
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