A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

The ruined doorway is a portal to the building's turbulent and torturous past.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

In one of the world's smallest countries, a royal's personal winery is open to the public.

These ruins of a sacred Ancient Greek temple stand next to a luxurious modern resort.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

A museum marks and documents the site of the Titanic's launch.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This center tells the story of one of the most famous battles in Irish history.

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

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Legend says it was constructed with the destroyed pillar of an ancient Greek Temple.

A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

The oldest standing Byzantine church in Athens is tucked within a monastery in the middle of an upscale shopping district.

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

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The former headquarters of history's oldest megacorporation.

Where royalty waits in the height of luxury.

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

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.