One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

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

A series of tiny artificial islands rich with produce bob atop the surface of the lake.

The oldest teak bridge in the world is made from the remains of a royal palace.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

A quick and simple solution to Cambodia's train woes.

Khmer Rouge's high security prison.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.

Limestone caves in the Cambodian countryside, once the site of genocide, now a place of peaceful beauty.

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

A battle between nature and architecture in the Cambodian jungle.

A phallic shrine to a princess goddess in Krabi, Thailand.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Bizarre dirt trail winds a narrow path above the tree line.

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

This whimsically named Vietnamese stream is closer to a walkway than a waterway.

A nightmare for the claustrophobic lies hidden in Southeast Asia.