Africa's Venice on stilts.

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

15 monolithic temples emulate an eroding sand castle.

Stunning Roman aqueduct used for 1900 years and still standing.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Ferdinand Magellan dubbed the world's largest water village the "Venice of the East."

Massive sinkholes on a mountain in one of the most remote places in Venezuela.

Bolivia's needle-like rock formations.

Giant, pink stuffed rabbit on an Italian mountain.

Giant reed houses made in the marshes of Southern Iraq.

Abandoned Nazi train station turned underground astroparticle laboratory.

Climb to the top of the world's largest seated bronze Buddha.

Week-long block party becomes a competition for the best decorated street.

Dramatic river bend surrounds a natural red-rocked pedestal.

Intensely colorful calcite pools in Southern China.

A canvas of crops grow from vibrant red soil in this terraced farmland.

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

Naturally protected city carved from a rock face.

Mediterranean castle on a tiny Turkish island.

340-foot statue built to honour the Heroes of the Soviet Union.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Norway's chilly all ice-instrument festival.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

An unused hyberbolic electricity pylon kept as architectural monument.