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

A battle between nature and architecture in the Cambodian jungle.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Fourteen sculptures showing the development of a fetus stand outside a hospital for women and children.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.

Qatar's oldest market can trace its origins back more than a century.

The building is a gigantic piece of art inspired by the shape of a desert rose.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

A whimsical European-style chateau that calls the coast of Chile home.

This museum covers 10,000 years of Pre-Columbian Latin American history.

This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

What was once a unique system of urban elevators is turning into a mechanical ruin.

How a lunch counter in Chile became a shrine to the 42nd president of the United States

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

One incredible room in the Santa Barbara Courthouse is covered in wall-to-wall canvas murals.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Christ's blood allegedly preserved in a Belgian town.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.