We bade a fond farewell to the brown waters of the Thames, and headed north past the closed Aldwych station...

...before heading up Kingsway towards clue number 6 - "Roses are red, Violets are blue, Holden loved this station, so should you!". This was one of the last clues that we managed to figure out - finally realising red and blue were a reference to the tube line colours...

From there, we headed further north up Southampton Row to clue 5 - "The tracks lead to a secret underground tram world in Southampton", an area in the middle of the street where former tram tracks lead down into the ground.

Some of us tried hard to get good photographs:

Some of us kept our feet on terra firma:

...but the results were exactly what we needed:

From there, we went on a bit of a wild goose chase. MykReeve thought the Nationwide branch that marked the former location of the British Museum tube station was nearer to the actual museum than it actually was. So, to solve clue 4 ("Once you could alight here for treasures of the Empire, now you can only open an account nationwide") we ended up using Google Maps and phone calls to local friends to find out exactly where the Nationwide was:

...and in the end, we found it:

We couldn't find anything on the branch to confirm we were in the right place, so we ended up checking with Wikipedia:

Hazel's Facebook-style summary of this post: Hazel wishes trams were back in action, just so I can sing 'Clang, clang, clang went the trolley!' every morning on the way to work.