The remains of what was, not so long ago, the world's largest city.

Ming Dynasty necropolis raided during the Cultural Revolution.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

A battle between nature and architecture in the Cambodian jungle.

Khmer Rouge's high security prison.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

The Uros people live on floating reed islands in lake Titicaca.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Beach instrument turned bed and breakfast.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

3/4-scale model of the White House in Atlanta, Georgia.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

The Guardian of Tallinn.

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

Macabre astrological automaton clock dating to the late 1400s.

Baroque celebration of the end of the Great Plague of Vienna.

Museum dedicated to the terror regimes of Hungary.

Budapest's Communist-era statues, banished to the suburbs.