A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This small chapel is built of human bones and decorated with a golden skeleton.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

The footprint of a frustrated devil in Munich's Cathedral.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

A series of five defunct panopticon prisons in Cuba.

This singular art museum in São Paulo is unique inside and out.

This giant mural of Santa Muerte in downtown São Paulo reminds passersby of their own mortality.

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

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

This Brazilian Lady Liberty is one of the few replicas that was actually made by the original designer.

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

A 125-meter long "tribute to the Brazilian people."

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.