A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

This tablet indicates where the tragic monarch returned to begin her tumultuous downfall.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This quirky piece of naval artillery has been deafening Canadians for over a century.

The mountaintop wind turbine boasts a viewing deck — and a fair share of controversy.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

A former medieval fortress, now home to Edinburgh Napier University, contains a rather risqué work of art.

Believed to be the longest railway bench in the world.

These unique weather vanes honor Scotland's most famous bard and decorate this walkway.

A miniature of a lighthouse acts as a beacon for what transpires inside this location.

This Roman relic was discovered in Scotland by a mudlarking ferryman.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

These wooden pipes were crucial to providing water to Medieval Edinburgh.

The location of a citizen uprising that led to a gruesome act of mob justice.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

A recreation of pop art pioneer Eduardo Luigi Paolozzi's London studio.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

A sculpture in a secluded garden honors one of Edinburgh's most innovative thinkers and city planners.

Scotland's first Masonic lodge may also be the oldest in the world.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Neon artworks light up this dark Edinburgh tunnel.