A moving memorial to the fallen and missing from WWI trenches.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

This chimerical bridge/tunnel appears to dead end right into the sea.

This quarry filled with 65 million-year-old limestone is now home to a nature reserve.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

Museum preserving torture methods from the past.

A beautifully eclectic mix of architectural styles.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Swedish skyscraper with a 90° twist.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A lush indoor jungle fills this bustling Madrid transportation hub.

The most impressive of Basel's three remaining city gates.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

This candy-colored storybook village originated as a 19th-century Methodist campground.

A crushed gate and giant bronze head serve as a reminder of Greece's fight for freedom.