A black cat protests the City Guild in Riga's Old Town.

The oldest housing complex in Riga is a mini timeline of architectural trends.

An extensive collection of some of the oldest grave markers in Lithuania.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Lithuania's outdoor sculpture trail of wooden folk art.

This controversial statue once honoured a Russian Field Marshall, before ultimately being dismantled in a push to remove symbols of Russian influence.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Vast stretch of tide-pools with a unique Moroccan charm.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

One of the biggest markets in Asia, under one of the continent's largest domes.

Khmer Rouge's high security prison.

A battle between nature and architecture in the Cambodian jungle.

A secluded, little-known temple hidden amid the dense jungle.

A quick and simple solution to Cambodia's train woes.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

The world's largest reclining Buddha, the Giant Buddha of Mudon.

Thousands of effigies of Buddha watch from caves set high above a legendary river, plus whiskey.

Buddha shrines hide within dark tunnels at this unique forest temple.