A stoic sculpture that overlooks the waters.

This roadside attraction looks like a flying saucer parked atop the tundra.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

This medieval manor house was hastily fortified when it found itself in the middle of the Scottish fight for independence.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This museum honors the young maritime hero who became an unexpected Victorian-era celebrity.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

The largest timber structure in Europe.

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

The main residence of the Erskine family and the hereditary keeper of the nearby royal Stirling Castle.

A distinctive building that incorporates a mythical beast into its architecture.

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

Astonishing rock formations dot the Brimham Moor landscape.

A historic Georgian building and warm springs.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

The 20-mile causeway that separates the Netherlands from the sea.

The largest airborne operation in history was launched to capture this bridge.

Once the longest swing bridge in Europe.

Hamburgers are intensely proud of their tunnel beneath the river.