An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

An important Mayan religious and trading center dating back to 200 BC.

Send a postcard while vacationing with Satan.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

An enchanting rocky island of scraggly baobabs surrounded by an ancient sea and sprawling salt pans.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

This strategic isle was once swapped between empires and almost entirely destroyed in a bomb explosion.

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

A tiny chapel clings to a precipice above Germany’s gemstone capital.

The last bastion of Roman presence north of the Alps looms over a German town.

Model Trains and Much More in Hamburg.

A former ironworks that was the first UNESCO industrial site.

The fairy tale castle of the "fairy-tale king."