The houses on the roof of the Arndale Centre, and the beat clubs and streets that came before it.

The crypt beneath St Philip’s church, and the coffins visible through the walls.

The flooded cold war bunker beneath Trafford Town Hall

The extraordinary man who dug out the buried crypt beneath St Luke’s in Liverpool

The section of Stretford Arndale that time forgot about, and when Muhammad Ali visited.

Exploring inside the Albert Hall on Peter Street whilst it still lay abandoned after 40 years

The totems of Salford University’s Allerton Building, and other works by post-war artist an inventor William Mitchell

Salford’s Crown Theatre is nothing these days but a frame of rotten wood and faded paint. However, its decay is captivatingly beautiful.

Wading beneath the culverted medieval bridges of Rochdale

The pub in Salford whose regulars included Marx and Engels

An ornate Victorian newspaper office home to The Band of Hope temperance newspaper.

The caretaker who lived on the roof of Ship Canal House

Few people seem to know it exists but Manchester’s city centre observatory is going strong after more than 100 years.

A bomb that’s locked in St Ann’s safe, and an air raid shelter in the Northern Quarter.

Salford’s connection to Buffalo Bill, and the birthplace of The Showmen’s Guild.

The rooftops of Piccadilly Gardens hold some interesting stories and secret rooms.

The art galleries of a city are not confined to the institutions but can be found in corridors and stairwells, or in a hotel restaurant.

The bell inside Manchester Town Hall’s clock tower, and who was Abel?

Stockport’s Pear Mill is exactly what you think it is. A mill, and a giant pear.