A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Austria's very first and only nuclear power station was completed but never used.

The first modernist church in Europe.

An ornate private entrance to the Vienna subway built specifically for the emperor.

The beautiful baroque library of the Hapsburg empire.

The final resting place for the remains of 143 Habsburg royalty.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

Berlin's old airport.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Banksy gives themself artistic license with this piece of London street art.

An architectural oddity hides in plain sight on this iconic London bridge.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Dine amidst exotic plants at this former royal greenhouse.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

A silly medieval mural preserved on the side of a Viennese house.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Catacombs turned marketplace.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

An unusual round church in London with a Templar past.

One part local history, 99 parts gruesome haunted house.