The cutest shrine in Kyoto is dedicated to bunnies.

Crawl through the hole in the middle of this stone to break off a bad relationship or initiate a good one.

More than 300 years old, Kyoto's historic "teahouse" still operates as an invitation-only geisha club.

Established over a thousand years ago, this family-run teahouse continues to serve skewers of sweet rice cake to this day.

The quintessential Japanese rock garden has existed for more than 500 years.

Have a soak at this retro bathhouse, where you will find Japan's first electric bath, tiling from Spain, and wood carvings representing the Japanese invasion of Manchuria.

Not many houses move across borders, this one did it twice.

A reconstructed World War I-era communications array that was once hidden in plain sight.

The highest point in Belgium is a staircase to nowhere.

Hiding the longest subterranean river known in the world.

This abandoned Belgian fortress is purposefully being left to nature.

This annual Belgian water race attracts bathtub captains from all over the world.

This bike path traverses the treetops.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

This residence straddles a border between Belgium and the Netherlands.

This bike path was sunk below water level for maximum wonder.

The world's tallest boat lift stands as a massive piece of industrial tourism.

An open-air sewer system that was covered piece-by-piece over 300 years.

A tiny metropolis resides inside this student housing complex.

Theme park featuring miniature replicas of European monuments.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

What was once a bustling mining installation is now a bustling hub of contemporary art.

After years of being casually peed on by humans, this tree is peeing back.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.