Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

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

The footprint of a frustrated devil in Munich's Cathedral.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

The patron saint of spinsters grasps a container of dried blood.

Every St. Andrews student knows to avoid this inscription for fear of a martyr's curse.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The most loyal of little dogs, or a Victorian era publicity stunt?

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Protecting the dead from opportunistic body snatchers.

A 18th century graveyard and its astonishing cortege of macabre iconography.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This dockworkers' lunch joint has been left leaning by a century of storm floods.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

This stunning concert hall has become a symbol of Iceland's national recovery.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Daily jousts and dancing barrel makers in Munich's mechanical clock.