Inside a former cabaret, seven floors of erotic art.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Notorious artist squat renovated into legal studios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

This necropolis is home to eclectic funerary art and is the final resting place for much of the city's nobility.

Hidden in plain sight, this lush garden sits atop one of the most iconic buildings in São Paulo.

This Brazilian town built by Freemasons is full of colonial Masonic architecture and symbolic imagery.

Museum precariously perched on a massive yellow pillar.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

The crypts are so large they're basically their own underground church.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Of the many Jesuit missions in South America, this complex is one of the best preserved.

The preserved home of the first settler of "the most German town in Brazil."

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Eighteen mummies have stood guard behind the altar of this tiny church since 1833.

A young Italian couple has been locked in an embrace for over 6,000 years.

Crossing this suspension bridge feels like walking through the sky, a fitting tribute to the head of the Apollo program.

Medieval torture techniques with a modern conscience.

An ancient artistic garden parlor full of hidden water wonders.