Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

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.

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

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

Tiny castle in the middle of the Rhine made you pay to pass.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Legendary site where an evil bishop was devoured by rodents.

It's good luck to be mocked by this monkey.

Lines on the pillar of Heidelberg's Karl-Theodor Bridge record the dramatic heights of past floods.

Hilltop monument to the victory of a new nation in the Franco-Prussian War.

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

A futuristic rocket marks the spot where three borders meet.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

This artistic fountain display pays homage to this area's theatrical history.

There has been an astronomical clock on this spot since the 14th century.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

The smallest museum in Basel, Switzerland, is a two-foot-by-two-foot window in the door of a 600-year-old house.

A beautiful but toxic fountain of mercury.