Matryoshka Dolls: 6 Times Architects Built a Building Inside a Building

Across this collection, the matryoshka effect — also known as Russian dolls — shows up in full, with buildings holding more than they let on.

Kalina Prelikj Kalina Prelikj

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Matryoshka dolls, or Russian dolls if we are being less formal, follow a very predictable routine where you open one and find another inside, then open that one and find yet another, continuing until you reach the smallest piece, which is slightly anticlimactic but still oddly satisfying.

It sounds like a children’s toy, but the spatial idea behind it holds up remarkably well. In the context of this collection, architecture does not copy this literally, meaning you do not walk into a building to find a perfect miniature of the same building waiting inside. You can, however, walk in and discover something unexpected, like a second structure, a room that feels like its own contained world, or a volume that sits clearly within another while maintaining its own identity.

From historic shells filled with new structures to interiors that contain entire landscapes of their own, this collection shows how architects work inward, using layers to organize space and create buildings that reveal themselves gradually as you move through them.


Perth Museum

By Mecanoo, Perth, United Kingdom

Jury Winner, Museums, 13th Annual A+Awards

Set within Perth’s former City Hall, a 1914 Edwardian landmark, this project begins with a familiar problem: a grand shell that no longer fits how the city uses it. Instead of clearing it out or freezing it in time, Mecanoo worked inward. A new layer was inserted, carefully positioned within the existing structure, allowing the original hall to remain legible while taking on a new role.

At the center sits a timber volume, almost like a room placed inside a room, built to house key artifacts, including the Stone of Destiny. Around it, balconies and walkways trace the perimeter, turning the historic shell into a backdrop.


The Pyramid of Tirana

By MVRDV, Tirana, Albania

In the center of Tirana, the former museum to Enver Hoxha arrives with heavy symbolism and a concrete shell to match.  But rather than stripping it back or turning it into a relic, MVRDV treats it like a container. The structure is opened, climbed and filled.

Inside, a stack of colorful boxes holds classrooms, studios, and cafés. They sit within the vast interior like smaller buildings placed inside a larger one, each with its own purpose and scale. Outside, steps run up the sloped sides, pulling people across and over the structure.


Design of kiosks and observation decks in Wuhan Tianhe Airport T2—Towards a light architecture

By UAO Design, Wuhan, China

Located within the existing halls of Tianhe Airport, this project starts with a tight constraint: add new spaces without touching what’s already there. Instead of rebuilding, AVOLTA inserts a series of lightweight pavilions, assembled quickly from modular steel frames and translucent panels. The structures sit within the terminal like independent pieces, clear in form and easy to place.

Each pavilion carries its own color, drawn from Wuhan’s local identity, and shifts in tone as light passes through it. Seating, viewing platforms and small enclosures are wrapped into these compact volumes.


Wet Beast

By Studioninedots, Amsterdam, Netherlands

Between the concrete arches of Westbeat, a typical workspace could have settled into rows of desks and polite meeting rooms. Instead, three oversized objects interrupt the routine. Beast, Jungle, and Town Hall arrive as their own environments, each with a different scale and mood. One invites climbing and wandering, another turns circulation into seating, and the third offers a quieter corner behind curtains. They sit somewhere between furniture and architecture, refusing to fully belong to either.


Ombú

By Foster + Partners, Madrid, Spain

Jury Winner, Sustainable Commercial Building, 11th Annual A+Awards

Once a power station from 1905, this structure had been sitting empty for years, its heavy brick envelope intact but underused. Rather than replace it, Foster + Partners inserted a new timber framework inside, light enough to sit within the existing structure without competing with it. The original walls and steel trusses remain visible, holding their ground around the new intervention.

Workspaces, circulation, and services are all contained within this inner layer, leaving a clear gap between old and new.


LVWA BOOKSTORE

By Studio Yuda, Shanghai, China

Unlike a typical bookstore, this one has a mountain at its center.

Rising 13 meters under an existing skylight, the structure turns a flat interior into something you move through vertically. Steps, shelves, and platforms are carved into its surface, allowing visitors to climb, pause, and read along the way. Around it, smaller “hills” repeat the idea at a more intimate scale, shaping seating, display, and circulation.

The concept links reading with movement. Moving through the space becomes part of the experience, as visitors shift between levels, viewpoints, and moments of pause.

Architizer's 14th A+Awards judging is live! Subscribe to our Awards Newsletter for updates on Public Voting and the big winner reveal later this spring.

Kalina Prelikj Author: Kalina Prelikj
A jack of all trades and a soon-to-be Master of Architecture, Kalina enjoys embracing her creative side and has dabbled in everything from marketing to design to communications. However, her main interest lies in architecture, as she loves to explore how it shapes our communities and transforms our daily experiences. With a deep appreciation for the art of puns, Kalina is constantly on the lookout for opportunities to craft clever wordplay.
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