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

A battle between nature and architecture in the Cambodian jungle.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A series of gun powder chambers currently hidden from view within Nobbys Headland in Newcastle, Australia.

The largest necropolis in the Southern Hemisphere.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

Three-story concrete ram with a permanent gift shop.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

Sacred waters rescued from the wrath of a volcano.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

This extensive collection of dead bugs may be the world's most idiosyncratic and personal insect museum.

Homage to the local produce now serves as a car dealer.

Standing in celebration of where the cattle dog was bred.

6000-year-old coal fire moves one meter per year.

The unique ecosystem atop an Australian mountain is home to some colorful inhabitants.

One of the first big sculptures anywhere in Australia.

Monument that stands 40 feet and weighs 1,000 pounds.

Fiberglas monument to Moonbi's poultry industry.

Monument to the area's potato and lamb industries.