An air of mystery pervades this modern-day singing Stonehenge.

This giant wire frame man sculpture is crouched in contemplation.

The struggle of a small Dutch island against the sea.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

The highest point in Belgium is a staircase to nowhere.

A rare cold-water geyser that bubbles to life every half hour.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

France's high-tech, future-themed amusement park.

A small village church is home to two extraordinary triptych altarpieces that date back to the 15th century.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

An ancient monastery, a locked room, and a mysterious book heist.

A scale rocket of an Ariane 5 rocket serves as a monument to a pioneer of space science.

One of two electrical towers in Germany that have a pathway constructed through the tower's legs.

Made from trees and then abandoned, this fence is still growing along a path in Germany.

The dome-shaped reservoir of this old water tower produces unique acoustic effects.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

The site of a legendary battle immortalized in medieval literature.

This imposing tower named after the mythical sword of King Arthur is considered the tallest freestanding climbing wall in the world.

The giant club-wielding wildman stands proud as the symbol of Swedish Lapland.

A centuries-old copper mine that once provided two thirds of the world's copper supply.

This Dalecarlian horse is about the size of a pinhead.

The city that saw the birth of Sweden is now home to an impressive collection of work from its favorite artist.

Believed to be the country's tallest waterfall, the Njupeskär is actually much smaller.

Gravity seems to fail at this intriguing Swedish attraction.