Giant wood sculpture in Kew first constructed in 1979.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

Roadside display for a popular fruit and vegetable stand.

One of the first big sculptures anywhere in Australia.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

This statue of the famed author, actor, and journalist is made entirely of screw-nuts.

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

Mount Tambora is the site of the largest and deadliest volcanic eruption in recorded human history.

Sacred waters rescued from the wrath of a volcano.

This former steel and coal plant is now a neon-lit industrial fantasia.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

These 40,000-year-old stenciled hands are older than the famous cave art in France and Spain.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

An ancient chamber filled with wonderful rock art and a Neolithic carving of a human face.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

A triumphal steel arch on the side of a German mountain.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An electrical pylon under whose legs a normal gauge train can run.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

This futuristic German television spire is actually the world's largest digital clock.