Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Volcanically heated hot springs.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

A natural swimming hole that was once a ceremonial center for Mayan priests.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Relics from as far back as the 16th century are on display in a city known for its playing card industry.

This little gem in the Gulf of Riga has a very rich heritage and distinct culture.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

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

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

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

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

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

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

A battle between nature and architecture in the Cambodian jungle.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

Founded as a refugee camp, now a popular tourist spot.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

The oldest housing complex in Riga is a mini timeline of architectural trends.

A black cat protests the City Guild in Riga's Old Town.