A Jenga-style cylindrical tower of books that appears to go on forever.

A surreal statue honoring Prague's favorite literary son.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

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

An old slave lookout in Cuba's historic sugar cane fields.

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

Neo-cave art on the macro scale.

Prehistoric history as seen through the lens of an outsider artist.

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

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

This communist country can still appreciate its fragrant past.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

A bench and a bridge pay tribute to Birmingham's favorite heavy metal band.

This futuristic German television spire is actually the world's largest digital clock.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Dictionary Johnson’s favorite feline.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

A friendly pub with a sordid past in cock fighting.

Hear the quietest sound from across the dome.

Rebuilt remains of a temple to Roman god Mithras.

The site of London’s first coffee house has been serving refreshments of one kind or another for 360 years.

The last four extravagant street signs of London's historic banking street.

The Great Fire of London and the regulation of one-way streets both started in this alley.