Taj Mahal: A walk through the iconic mausoleum complex, located in India and commissioned in 1632 by the Mughal emperor Shah Jahan to house the remains of his beloved wife.

A look at Le Louvre, the world's largest art museum, located in Paris, and the home of Leonardo da Vinci's celebrated portrait, the Mona Lisa.

How the church of Hagia Sophia in Istanbul, rebuilt by the Roman Emperor Justinian, has survived 1,500 years of turbulent history. Built in 537, this is a walk-through the stunning place of worship located in Turkey.

The story behind the breath-taking temple complex Angkor Wat, which is located in Cambodia. Angkor Wat is a Hindu, then subsequently Buddhist, temple and the largest religious monument in the world. It was built by the Khmer King Suryavarman II in the early 12th century.