On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

Time stands still at this serene burial ground in the center of Budapest.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

360° views of the city plus five floors of optical illusions and hands-on science.

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

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

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

A book bound in the skin of an infamous criminal, along with countless other specimens.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A solemn reminder of the infamous World War II war crime that massacred almost all the men in a small Greek town.

The Greek island's old British cemetery feels like a forgotten garden.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

What once sat in the world’s spotlight is today a largely disused ghost complex.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

Where commuters walk through remnants of an ancient Greek necropolis.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

A sharp sculpture made of thousands of pieces of jagged glass.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.