Taxidermied animals galore, by appointment only.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

A domino effect created with Britain’s iconic telephone boxes.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

More than a million titles fill the labyrinthine shelves of this prestigious private library.

This coffee shop lies hidden beneath a historic church.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A relic of Victorian grandeur hides beneath a busy South London road.

Hear the quietest sound from across the dome.

A little slice of Japan and its aesthetics in London's Holland Park.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

This doorless 20th-century elevator doesn't stop or slow down.

A network of concealed passageways lies within a busy London Underground station.

A tongue-in-cheek arcade where the games are based on everyday life.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

Art and a pun, all in one.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

An eerie, derelict amusement park in Berlin.

A celebration of capitalism in Midtown.