This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.

The only castle in North America to ever house European sovereigns.

The collection of intricate sculptures includes one carved from a mammoth's tusk

66,000 pieces of art, donated by one of the world's richest men.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

This antique rail car has been reborn as an urban cafe.

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.