A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

A ruined castle stands atop a hill surrounded by dragon lore.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

This "floating railway" is one of the world's oldest monorail systems.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

It's always summer at the beach inside this former airship hangar.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Stalactites and stalagmites in a beautifully lit cave.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

The bomb-ravaged remains of of a colossal Neptune.

On the walking path from Monterosso to Vernazza, a small shrine dedicated to feline friends.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

This tiny chapel withstood a massive mudslide and flash flood.

Five candy-colored villages on the Italian Riviera.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Pilgrimage site for star-crossed lovers.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.