The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Slum Settlement Filled With Mountains of Garbage.

Explore this massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

This Elizabethan hedge maze is one of only six in North America.

An apparition of Virgin Mary in Herzegovina.

Museum preserving torture methods from the past.

A temple complex has existed on this site since the third century.

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

Stretching almost 2,000 feet, this painting is one of the longest pieces of Buddhist artwork in the world.

Home to over 200,000 artifacts, this museum attempts to guide visitors through the ancient history of Beijing and Imperial China.

This sensational Chinese temple walks visitors through the 76 weird departments of the afterlife.

Ming Dynasty necropolis raided during the Cultural Revolution.

Snow-capped peaks, colorful waterfalls and stunning vistas on the edge of the Himalayas.

This Tang Dynasty behemoth is the biggest Buddha in the world.

Largest pre-Lent festival in the Dominican Republic.

This Tibetan monastery has survived multiple attacks and is also a sky burial site.

At 16,627 feet above sea level, this unstaffed station is the highest in the world.

This representation of Lord Vishnu is the largest stone sculpture in Nepal.

This religious site features Nepal’s largest statue of Buddha.

Part shoe store, part sociopolitical art gallery, part zoo.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The birthplace of modern China.

An enormous effigy of the goddess of compassion hides within the sanctuary.