"Excuse me sir, your submarine is blocking my building."

The world's longest tunnel with an undersea section.

Turn around and stick your head between your legs for the best view of this tree-covered sandbar.

Ruins and statues dot the landscape of this tiny island rich with royal history.

A mysterious set of tunnels carved in the hills of rural northern Kyushu.

Roots and stumps that lay inundated for two millennia are on display in Japan's city of three mysteries.

The iconic castle that withstood a magnitude 6.2 earthquake has become a symbol of resilience.

Elaborate series of tunnels where traces of mass suicide are still visible.

The ruin of a Japanese love hotel almost completely overgrown with brambles.

The ruins of Japan’s premier water brothel.

Children's literature inside, forest all around.

A small island with no monkeys but plenty of military ruins.

Largest graveyard in all of Japan surrounds a famous mausoleum.

This ruined Japanese stripclub sits half burnt to the ground.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

This sawtooth mountain range still bears the strangely lovely marks of its history as a medieval quarry.

Shells collected from over a hundred different countries line the walls, floors and ceilings of this fantasy museum.

The 43-mile route crosses through six islands with gorgeous views of the Seto Inland Sea.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

This pond is so stunning it looks like you've stepped into one of Monet's masterpieces.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.