These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

This little medieval church hidden in the center of Yerevan was lost and rediscovered—twice.

After visiting hours, this picturesque waterfall is essentially turned "off" to be used for hydroelectric power.

Overlooked amid the tourist bustle of Florence, this museum is dedicated to the craft of stone inlay.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Venice's island of the dead.

The Pope’s secret escape route.

Five candy-colored villages on the Italian Riviera.

Jesus' footprints and the first catacombs in the world.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

The oldest botanical garden in the world that technically isn't the oldest.

Artist Diego Morlin's war between the natural and human worlds is a wanderer's delight.

The highest waterfall in Italy is only "turned on" five times a year.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

One of downtown Berlin's last reminders of its Communist past.

When German-Iraqi relations broke down, this embassy was vacated post haste.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

No need to strap in for a "ride" on this walkable roller coaster.

Berlin's old airport.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

The Habsburgs' royal collections of art and wonders.

This former insane asylum now holds a pathological anatomy museum.

These spooky and unusual stone formations create an underworldly landscape.