Twisted buildings adorn the banks of the Rhine river.

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

Legendary site where an evil bishop was devoured by rodents.

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.

A statue dedicated to the antihero of the Nibelung legend.

A famed artist's inspiring work of peace and tolerance.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

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.

One of the world's largest collections of pharmaceutical artifacts.

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

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

Thousands of flowers create enchanting pink tunnels over the city streets.

A prison tower–like edifice honoring a beloved local benefactor.

A 150-year-old steam locomotive crosses the southern half of the island daily.

A painting to honor the oldest reserve squadron in the Royal Air Force.

An abandoned shipping control tower looks like a satellite perched at the end of a pier.

This mysterious chalk figure of a horse has been recreated and restored for more than a century.

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

Nicolas Schöffer's massive interactive sculpture was assembled in 1961 and brought back online in 2016.