This half-ton piece of the Alps sits at the base of the CN Tower.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

The oldest landmark of Toronto is a testament to shifting sands.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

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

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

Khmer Rouge's high security prison.

One of the biggest markets in Asia, under one of the continent's largest domes.

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

An eerie abandoned gentlemen's club built for British officials during the colonial era.

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

A grand imperial capital left to fall into magnificent ruin.

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

This golden temple is surrounded by hundreds of stone tablets that comprise the "world's largest book."

A grand example of 19th century Burmese teak architecture, and the most significant of Mandalay's historic buildings.

Gigantic unfinished stupa and the world's 2nd largest bell.

This magnificent white pagoda was constructed to resemble a sacred Buddhist mountain.

A striking symbol of the Bulgarian capital.

"Holy Wisdom" overlooks the city that became its namesake.

Spanning over 10,000 square miles, this ancient salt pan is one of the largest on the planet.

You feel like you're in a forest, but you're actually walking amidst the branches and trunks of a single giant tree.

There is only one place in the world where the corners of four nations come together.

Bridge that died in war and was resurected.

Malaysia's floating mosque.