A small collection of objects of a bygone era hide in plain view.

A brother statue swap has adorned this building's facade for centuries.

A unique art installation located on what was once considered the widest railway bridge in the world.

A scattered trail of street art adds a pop of color to the city's stark structures.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

The final resting place of a poisoned lover whose death was at the center of one of Glasgow's most sensational murder trials.

The old tradition of drying laundry on poles in the public green is still guaranteed by Glasgow city law.

The former home of the world-famous Templeton Carpet Factory.

The largest terracotta fountain in the world, built to commemorate Britain’s Victorian achievements.

One of the first monuments dedicated to the accomplishments of the great Vice Admiral, Horatio Nelson.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Check the time in 145 countries at once with this East German relic.

A historic manor with a priest hole you can stand up in, the last surviving vestments from a dissolved abbey, and centuries of art on display.

A pair of giant stone heads represent the ancient Roman saints beheaded here.

Largest illuminated advertisement sign in the world.

How did a lighthouse wind up in the middle of this landlocked German city?

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

The largest mosque in Germany.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

This little jewel of post-war religious architecture is hidden inside the Diocesan Museum, which swallowed it when it was built.

This 19th-century fountain features sculptures of little gnomes that help with chores.

Life-sized bronze statues of fictional puppet characters.

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