This ancient burial site is believed to be one of the first earthquake-protected structures in the world.

17th century mosque for Shah Abbas' harem.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

The palace of the King of Kings, burned by Alexander the Great.

Called the "Armenian Stonehenge," this ring of menhirs pierced with holes may be a prehistoric astronomical observatory.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

The second largest reclining Buddha in the world got "lost" for over 120 years.

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

Caves full of Buddhist statues, incredible rock formations and a deserted lagoon.

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

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

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.

The embalmed remains of the communist leader lie within a custom crystal coffin.

This probably wasn't what Mao had in mind.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This unique building in the main square stands out among the city's typically Baroque architecture.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

A cemetery full of exquisite statuary, including a monument to a woman some say died of a broken heart.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.