The capital of Cambodia is named after the hill on which this ancient temple complex stands.

These jagged limestone blades cut out through the canopy of the jungles of Borneo.

Malaysian fireflies create a dazzling display as thousands light up in unison.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

Singapore's landscaping project is home to 18 incredible Supertrees.

Hindu temple of the dead home to hundreds of long-tailed macaques.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

Known as the leaning temple, the sacred structure has somehow developed a severe nine-degree slant.

Modest by day, illuminated majestically at sunset.

The world's second-largest sundial, made entirely out of stone.

Sacred Indian temple that’s all monkey business.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.

The remains of an Aztec school and various intriguing artifacts lie below a modern cultural center.

An extravagant 18th-century fountain built with bits of broken ceramic.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.