This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

Christ's blood preserved in a Belgian town.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

This abandoned Belgian fortress is purposefully being left to nature.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

One of the deepest indoor swimming pools in the world.

Hiding the longest subterranean river known in the world.

Medical history with an amazing, if frighting, collection of wax diseases on display.

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 Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

The profile of one ill-fated deacon was emblazoned forever on this church window during the Halifax explosion.