Apeiron: Athenaeum Testimonium Architecturae
A visionary underwater Athenaeum where virtual reality, ancient philosophy, and architectural heritage merge to reinvent how we learn, create, and teach design.
Apeiron: Athenaeum Testimonium Architecturae is an ambitious conceptual project that redefines the future of architectural education and digital heritage. Designed as a monumental underwater structure, the project creates a hybrid world where physical space, philosophical ideas, and immersive technology converge. Developed by Mateusz Fret, the Athenaeum bridges ancient architectural principles with cutting-edge virtual reality architecture.
At its core, the project explores the deeper meaning of "architecture" through its etymological roots: Arche (beginning) and Tekton (builder). This symbolic transition from invisible origins to tangible construction becomes the conceptual backbone of an underwater environment crafted from concrete, glass, water, and light.


Conceptual Foundation: From Arche to Tekton
The word "architecture" is built from two ancient Greek components—Arche and Tekton. Arche, often interpreted as the origin or beginning, was discussed by pre-Socratic philosophers as the underlying principle of existence. In this project, Arche is visualized through water, infinity, and the idea of the unknown.
Tekton, the second component, refers to the builder—the one who transforms beginnings into physical form. In the Athenaeum, concrete and glass serve as the material expression of this translation from the philosophical to the architectural.
The building’s elongated, linear form emerges from this duality. Stretching across the ocean surface before descending into an immersive underwater world, the Athenaeum becomes a physical metaphor for the transformation of ideas into built experience.
Virtual Reality Architecture as an Educational Model
At the heart of the Athenaeum lies a virtual reality architecture game, designed to teach, reinterpret, and revive architectural history. Users begin their journey at the entrance deck—an elevated, glowing pathway extending from the coastline into the sea. Inside, the building offers a sequence of spaces that blend real and virtual environments.
Upon entry, visitors receive VR headsets and explore mapping zones offering glimpses of the VR world. The educational loop consists of three major stages:
1. Learning: Exploring Dead or Unborn Architecture
Players begin within a grid of twelve 3-by-4 squares where they move through VR exhibitions featuring buildings that either no longer exist, remained at conceptual stage, or were destroyed by time.
2. Creating: Building New Structures
The next level allows users to become active designers. They collect details from explored structures and reassemble them to create new spatial compositions. Users can merge historical elements, reinterpret classical forms, or experiment with emerging concepts.
3. Teaching: Becoming a Curator
At the final stage, players transition into creators and curators. They present their generated architectures, teach others about the logic behind their designs, and contribute to a shared database of virtual structures.
Through this immersive cycle, the Athenaeum becomes not just a museum of architectural memory but an active laboratory for creative experimentation.
Spatial Organization: A Structure Above and Below Water
Apeiron’s architectural experience is divided between the luminous world above the waterline and the surreal submerged world below.
Above the Water
- Entrance deck: A long, tapered bridge leading from land to sea.
- Reception & Mapping Zones: Where visitors receive VR sets and orient themselves.
- Bookshop & Social Areas: Supporting spaces for relaxation and learning.
Below the Water
- VR Game Chambers: A modular grid of cubic spaces, each illuminated by refracted light.
- Exhibition Corridors: Displaying architectural details, artifacts, and VR previews.
- Underwater Restaurant & Bar: Located at the far end of the building, offering panoramic views of the ocean.
The underwater spaces use glass ceilings and submerged walls to create mirroring effects—symbolizing the project’s theme of infinite beginnings.


Architectural Language and Inspiration
Various philosophical and architectural references shape the project:
- Anaximander’s Apeiron: The boundless origin of all things inspires the infinite layout.
- Tales’ Arche as Water: Water becomes both material and concept, surrounding and shaping the building.
- Roman Game XII Scripta: The VR layout grid is derived from ancient game boards.
- Roman Kolumbarium: Sidewall exhibitions evoke memorial architecture where lost knowledge is preserved.
- Classical Proportions: Cubicles follow a 9×9m ratio with 4×4m openings—echoing ancient proportional systems.
This fusion of origins, gaming logic, and historical architecture creates a uniquely layered spatial narrative.
Experience and Atmosphere
Visitors are immersed in an architecture that constantly dissolves the distinction between real and virtual worlds. Light refracts through water, forming moving patterns that reflect onto the walls and floors. Hallways appear infinite due to mirrored surfaces and the grid layout. Holographic projections rise from the sea, giving the illusion of ancient structures materializing above the waterline.
The deliberate contrast between the calm, monochromatic interior and the vibrant natural surroundings heightens the surreal quality of the experience.
Apeiron: Athenaeum Testimonium Architecturae offers a visionary model for the future of architectural learning. By merging ancient philosophy, immersive technology, and underwater spatial design, the project transcends the boundaries of traditional museums. It becomes a living, evolving ecosystem where architecture is not only preserved—but continually reborn.
Through its VR-based platform and experiential storytelling, the Athenaeum demonstrates how virtual reality architecture can revolutionize education, creativity, and collective memory. It is not just a place to visit—it is a place to imagine, build, and teach the architecture of tomorrow.
Project by: Mateusz Fret

