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.

Neo-cave art on the macro scale.

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.

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

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

Fortified medieval tower house with lovely roof garden.

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

Romans built the world's tallest artificial waterfall in 271 BC.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

Giant kites are flown during this Day of the Dead celebration in Guatemala.

A sculpture serving as an homage to Pope John Paul II.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Become a prohibition rebel.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A 18th century graveyard and its astonishing cortege of macabre iconography.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Yo, Adrian!

Metro station with a claim to rock n' roll fame.