Controversial site of what could be Europe's first pyramid.

This striking modernist mosque defies architectural conventions.

A forgotten and crumbling Yugoslav monument to the victims of fascism.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

Bridge that died in war and was resurected.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

A field filled with carved medieval tombstones called stećak.

A 16th-century mosque rebuilt after wartime devastation.

Pivotal home of Nobel Prize winner Pablo Neruda.

This museum covers 10,000 years of Pre-Columbian Latin American history.

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

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.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

A Christian monastery stands on what was once a holy Incan temple.

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

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.

Ecuador’s historic seat of government has been quietly looted in recent decades, and no one knows how or by whom.

This historic street in Quito is known for its seven stone crosses—and one presidential assassination.

Quito's historic, main square dates back to the 16th century.

This 12-inch-tall wooden sculpture of a winged Virgin Mary has inspired much devotion and countless replicas.

It took 160 years to complete the most ornate church in Ecuador.