This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Highly spherical boulders on the shores of New Zealand.

The glacier tucked within a New Zealand rainforest.

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

Khmer Rouge's high security prison.

A battle between nature and architecture in the Cambodian jungle.

The remains of diamond fever taken over by the desert.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A church of bones, decorated with 40,000 human skeletons.