This old, abandoned hotel offers magnificent views.

Most prolific publishing house in the 1600s open to the public.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

The highest point in Belgium is a staircase to nowhere.

The "stairway to heaven" lookout tower was built to resist weather, arson, and the laws of physics.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

A fantastical bed and breakfast with magically unique rooms.

One of the deepest indoor swimming pools in the world.

Christ's blood preserved in a Belgian town.

This abandoned Belgian fortress is purposefully being left to nature.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Climb inside an iron crystal magnified 165 billion times its normal size.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

A heavily politicized roundabout discussing the state of a heavily politicized country.

Inside this Krakow church, an explosion of psychedelic color.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

One family's mission to exemplify sustainability took on a whole new life as a surprisingly beautiful home.

This glacier interpretation center houses the world’s only bar made completely from glacial ice.

A tower devoted to — and modeled after — the Divine Comedy.

This stunning mass of ice spans 121 square miles and is still growing.

In Egypt's expanding metro area, many of the neighbors are dead.