This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

Ancient serpentine sacrifice holder that has stood the test of time.

Housed in an old British jail, this spot serves up Georgian, Russian, and Ukrainian specialities with a side of Turkish history.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

A fountain standing as a testament to a doomed alliance.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

1513 Turkish world map, full of European state secrets and snarky commentary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

A bridge that has seen many reiterations over its lifetime.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

A modern reimagining of a medieval city gate.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Lumps of significant stone from around the world surround a flaming monument for peace.

The location of the world's first telescope demonstration.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

An Irish Memorial commemorating those who perished due to potato blight.