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

This communist country can still appreciate its fragrant past.

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

A medieval weapon rumored to have been used by the brilliant poet himself.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

The oldest housing complex in Riga is a mini timeline of architectural trends.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

Enormous statue of the Emperor of the Mongols.

Ming Dynasty necropolis raided during the Cultural Revolution.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

Stalactites and stalagmites in a beautifully lit cave.

An autonomous republic of Orthodox monks.

Monasteries on rock pillars, once accessible only by frayed ropes.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.