This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

Flying high over the small island of Zákynthos is a giant tribute to the mainland.

This "volcanic all-day restaurant" is right on the beach.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

A surreal statue honoring Prague's favorite literary son.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

Where members of the Crossbow Corps of San Marino demonstrate their skills.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

The topiary maze at the Habsburg hunting lodge.

Bridge that died in war and was resurected.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

Split's smallest church, and one of its oldest, has been reconstructed inside the city's Roman walls.

The local club's soccer field is practically surrounded by UNESCO-protected monuments.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.