One of the most historical literary characters continues to stroll his hometown.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

A 125-meter long "tribute to the Brazilian people."

As one of the world's largest hydroelectric dams this plant took two countries to get built.

One of the most photographed locations in the entire city.

The memorial stands at the intersection of the rivers Morava and Danube.

A relic of the Cold War tucked away in the forested hills above Bratislava.

For centuries, Jeddah’s old town was a major trading port and a point of entry for Hajj pilgrims traveling by sea.

An archaeological site believed to be the burial place of the "mother of us all."

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

Once a major stop on the Hejaz Railway, this desert station (complete with steam locomotive) has been abandoned for decades.

In the middle of a barren desert, a massive, solitary rocky thumb juts out.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

This giant volcanic crater holds its very own field of salt.

It's believed human settlements from the Palaeolithic Age were established not far from this canyon.

A historic structure that once housed pigeons used by farmers to help fertilize farmland.

A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

A unique two-level bridge designed to honor a king.

A World War II evacuation tunnel turned into a history display of Croatian state and people.