Steps that go nowhere, pedestrian walkways that dead-end into elevated bridges, doors that open out into mid-air: these so-called ‘Thomassons’ are what happens when workers demolishing an outdated structure leave part of it behind, whether out of necessity or laziness. Ultimately, they become almost sculptural in their absurdity, visual ties to the past of a particular place. Walking up one of those staircases to nowhere almost seems like it could be the key to time travel.

Japanese artist Akasegawa Genpei named these nonfunctional structures ‘thomassons’ or ‘hyperart thomassons’ in the ’80s in reference to a baseball player with a ‘useless position’ on his team. He noted one such structure in Tokyo in 1972, a staircase that had no entranceway once you reach the top. Discovering more around the city, Akasegawa began giving them names like “the useless window of Ekoda,” building a collection that was published as a book called Chogeijutsu Tomason.

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These days, images of such relics are collected via Instagram tags, on the Hyperart: Thomasson tumblr and on Reddit. There’s even a Thomasson Observation Center on Facebook, accepting public submissions and curating them into new visual references.

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Like the human appendix, these vestigial structures have long since ceased to be useful, yet somehow they’re still around, even as the world constantly shifts and changes. That in itself is pretty strange and incredible.

(images: Mathieu C, Matthew Fargo, Seng Chen and mindbomb via hyperart thomasson tumblr; reddit; wikimedia commons)

Crumbling cathedrals, decaying theaters and half-destroyed camping cabins: urban explorer Johnny Joo has seen it all, and he doesn’t just document these abandoned places, he does so with an eye for spine-tingling drama. The 23-year-old photographer is releasing his collection of stunning images in book form with ‘Empty Spaces,’ available for pre-order for just a couple more days.

The 116-page, hard-cover photo book ‘Empty Spaces’ includes the photographer’s favorites from years of urban exploration. Pre-orders come hand-signed with a free gift; the book is also available in E-book form. Order it at Architectural Afterlife. 

The photographs take us on a visual tour of the abandoned Rust Belt. Some structures are so covered in moss and ivy, their former use is a mystery. Others, like bowling alleys and theaters, seem frozen in time, as if they’re just waiting for patrons to start filing back in.

“Why were these places vacated? And why are they left to sit, uncared for? The remains of a person’s bedroom, bed still intact, covered in a layer of mold and dust. Walls surrounding with cracked complexions and vivid, yet transparent voices telling a story of time. Living through the history of abandonments as you explore what once was an entirely different scene; now transformed into a desolate, yet incredible, stimulating image of complex patterns and great detail. Through this book, we will take a journey through the rust belt to see the unseen and find the forgotten.”