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

The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

A stairway to heaven, or to nowhere at all.

When the rain falls, this drain system turns into a musical instrument.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

A heritage park that explores the history and ecology of Whangārei.

This public observatory is home to the "celestial cannon," the longest pointable telescope in the world.

The king of U.S. high points towers over every other peak on the continent.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

English parliaments were once convened by this ancient oak tree in the heart of Sherwood Forest.

Bonsai trees that are up to a thousand years old.

The oldest academic institution in Japan provides a glimpse of university life during the days of the samurai.

A domino effect created with Britain’s iconic telephone boxes.

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

This Dalecarlian horse is about the size of a pinhead.

This Dutch art piece became a Russian icon.

This ancient abbey now lies in majestic ruin behind a caravan park.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

The former headquarters of history's oldest megacorporation.

These otherworldly formations were shaped over millions of years by the forces of nature.

The oft used Australian colloquialism "Beyond the Black Stump" is said to have originated at this location.

This museum pays tribute to the largest group in the Iroquois Confederacy.