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

Death rituals and sacrifice inside a Peruvian megalith.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

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

Beautiful public park off the beaten path and away from tourists.

A labyrinthine museum chronicling the history of African culture in Brazil.

The pedestrian traffic signals in Brazil's teeming metropolis light up with clues to nearby landmarks.

This small island off Lambert's Bay is home to more than 2,000 Cape gannets and is the only such breeding colony open to the public.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Mosaics, storks, and brothels—this ancient city has it all.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

This spectacular mosque houses the second-largest chandelier in the world.

This triumphal arch is the only fully standing structure that remains from Roman-era Oea.

This ancient structure is widely thought to be the oldest intact pyramid in the world.