Breathtaking and huge 430 year old maps of Italy.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This is the oldest Roman-made bridge in the city still existing in its original state.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Mountain where Jesus was first tempted by the Devil.

Eat the ultimate iteration of Portugal's most beloved pastry.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

This World War II-era bunker hides between medieval chapels in Nijmegen's city center.

Home of the "true" equator.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

The world's tallest aluminum statue is also the world's tallest image of a winged Virgin Mary.

Massive volcano in the Andes is the farthest point from earth's center.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Pivotal home of Nobel Prize winner Pablo Neruda.

This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

This stunning mass of ice spans 121 square miles and is still growing.

The most southern point you can drive to in the Western Hemisphere.

A vast museum devoted to North Korea's victories against its imperialist enemies.

North Korea's massive "hotel of doom."