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

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

This outdoor museum harkens back to the height of the gold rush.

A battle between nature and architecture in the Cambodian jungle.

A non-profit that uses the impressive smelling abilities of African Pouched Rats to find and clear unexploded land mines.

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

Khmer Rouge's high security prison.

The oldest operating picture gardens in the world.

Spectacular rock formations host dinosaur footprints and an old hydrotherapy pool.

The gigantic preserved heart of a champion racehorse.

Roadside display for a popular fruit and vegetable stand.

One of the first big sculptures anywhere in Australia.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

A unique underground car park that has become a popular filming location.

A friendly monster lurks outside the State Library Victoria.

These mythological giants take time out of their busy day guarding a Victorian market to let you know what time it is.

This giant, granite purse is one of Melbourne's most unique and distinctive pieces of public art.

Melbourne's favorite bronze dog.