This ingenious engineering solution was built to stop the "theft" of canal water.

The largest timber structure in Europe.

The house in the middle of the motorway.

The world's largest military aircraft cemetery.

A locomotive made from 185,000 bricks celebrates the town's pioneering railway history.

Public art now takes pride of place on the site of one of County Durham's last deep coal mines.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Preserved "bog person" that is over 2,000 years old.

Four alabaster giants contemplate the tides on the shore of Denmark.

This museum is a portal to 20th-century Denmark.

A model memorial to the original Odin Tower, the second highest tower in Europe before it was sabotaged by Danish Nazis.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

A walkable map of the world, made from soil and stone by one man.

A natural wonder in south Denmark.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

Inside this magnificent 12th-century church is one of the finest carved wagon-roofs in all of England.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

One of these two land speed record-breaking vehicles went so fast it shattered the sound barrier.

Known as the "Stairway to Heaven," this historic canal dates back to the 1700s.

A great example of the inventive canal bridges that were deliberately split down the middle.

The former home of the world-famous Templeton Carpet Factory.