Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

Climb to the top of the world's largest seated bronze Buddha.

More than 100 Hindu temples are slowly being swallowed by the forest.

Arguing within this idyllic, circular volcanic lake is forbidden.

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

A battle between nature and architecture in the Cambodian jungle.

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

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

Khmer Rouge's high security prison.

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

This French colonial post office is arguably the grandest in all of Southeast Asia.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Four distinctly unique gardens commemorate the POWs who lost their lives during the Sandakan Death Marches of 1945.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

A stunning Victorian abbey and walled garden on a lakefront.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

The western face was supposedly left clock-less to snub the Welsh.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

Hundreds of hidden passageways weave through the old quarters of Lyon.