The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

These Stalin-era industrial 'death traps' hang lifeless above the city

Riding on a pair of architectural dragons, this Thailand temple holds murals full of lurid imagery.

Small church on top of a huge rock column.

This crocodile-infested Timor-Leste reservoir is also home to a spectacular half-sunken forest.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

Famously misunderstood wonder of the ancient world

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Pop culture has helped to keep this iconic British building from being destroyed.

Hear the quietest sound from across the dome.

Eighty million natural history specimens call this gargantuan museum home.

The Seven Story Pagoda of Sibu.

A shrine of fire worship built on top of a natural flame.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

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

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

This red lake 4,000 meters above sea level is home to rare flamingos.

Astronomical observatory above Lake Titicaca.

A seemingly endless landscape of pure salt stretches far across Bolivia.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Windblown rock formations in an ancient Roman quarry.