The world's largest wooden structure.

Single runway interrupted by a busy road that cuts across its middle.

A remarkable medieval structure born from a 14th-century disaster.

Go inside to really appreciate this 500-year-old technological masterpiece.

Step inside Lucy, the world's largest "elephant."

A British plaque explains that a house was built using the spoils of the first international golf bet.

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 six-ton wedding present for the King of the Scots.

A sweet symbol marks the place where torturous executions were once carried out.

Protecting the dead from opportunistic body snatchers.

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

This former football stadium seems almost abandoned but is still in use by the next generation of Scottish sports stars.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A local prank turned town icon.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.