One of the best-preserved impact craters on the planet is located in the middle of the Sahara Desert.

Did Gustav Eiffel design this enigmatic metal building?

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

This former cathedral is now a bustling library packed with students and pigeons.

A century-old stone hermitage overlooks this remote pass in the Hoggar mountains, surrounded by a landscape of eroded volcanic cores.

This massive monument towers over the city as a constant reminder of the lives lost during Algeria's hard-won war for independence.

Classical ruins that remember ancient Rome's presence in Africa.

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.

An extraordinary mix of Phoenician, Roman, early Christian, and Byzantine ruins beautifully set overlooking the Mediterranean.

A retiree's challenge to build an outdoor wonderland out of trash.

Half curiosity cabinet, half late night hotspot, this Brazilian bar is helping turn a dangerous neighborhood around.

This colossal structure and its accompanying angel often play tricks on the eyes.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

The house of a former Argentinian president stands protected within a large glass case.

This sculpture garden creates a whimsical aura in an urban and wild environment.

The building that once housed the dictator's secret police is now a museum that documents the history of an oppressive regime and those who fought against it.

A group of abandoned factories and buildings that have been revitalized and are now used to promote culture, education, entrepreneurialism, and sustainable development.

This haunting sculpture stands as a memorial to the torture victims of the Brazilian military dictatorship.

This public elevator links the lower city to the upper city of Salvador.

This somber statue remembers the enslaved women who were forced to nurse their owners' babies.

Something about this Brazilian city is slightly askew... literally.

The clients of these mysterious hand-crafted funeral cars took their last ride in style.

One man's quest to collect artifacts from every aspect of human life has resulted in this eclectic Argentinian museum.

Conifers from the Jurassic Period transformed into stone in Patagonia.