A fortified city, home to a remaining population of five families

A mud brick kasbah with a history of lavishness and traitorship.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

The fighters and conspirators that won independence for Paraguay held secret meetings at this historic house.

A bright little alley in La Boca is a part of tango history.

A memorial to the victims of Argentina's "Dirty War."

A vast necropolis where you'll find the elaborate mausoleums of Argentinian tango stars.

A former palace transformed into a mausoleum for North Korea's supreme leaders.

A vast museum devoted to North Korea's victories against its imperialist enemies.

A symbol of the Workers' Party of North Korea.

A highly symbolic tower in honor of Supreme Leader Kim Il-sung's personal philosophy.

A giant bronze monument to Kim Il-sung and Kim Jong-il is one of the most sacred sites in North Korea.

Captured in 1968, the Cold War spy ship is the only U.S. Navy vessel being held by a foreign government.

Pyongyang’s Arch of Triumph is the second tallest triumphal arch in the world.

Morocco's largest Jewish cemetery.

This Czech military museum is home to pink tank that was once a symbol of art and political rebellion.

A Turkish ghost town abandoned in a population exchange with Greece.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

A fascinating insight into daily life in the Eastern Bloc.

This former quarry is now a picturesque gorge that hides a sunken lake.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A site where “the ravages of the war are more striking…than any other place in contemporary Spain.”

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.