A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

The unusual sculptures are believed to be powerful political symbols.

A small memorial to a deadly night in Serbia that shook the world before it was swept under the rug.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

On a small Slovenian island, diners can mix and match a classic cake into dozens of sweet and savory flavor combinations.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Where the lovelorn find a home for their sentimental keepsakes.

A surreal statue honoring Prague's favorite literary son.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

These whimsical works of art tell the story of the city's past and present.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

A popular European tradition makes its way to the states on one of America's most famous bridges.