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Geothermal Tower of Engineered Wood Surrounded by Hexagonal Pathways

Authors:
Maziar Mohit, Iman Kimiaei
Geothermal Tower of Engineered Wood Surrounded by Hexagonal Pathways
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Rising thirty meters, the tower constructed from engineered wood serves as a landmark, guiding visitors along hexagonal pathways to explore nearby caves while emphasizing geothermal sustainability.
5 key facts about this project
01
Rising thirty meters, the tower serves as a landmark for navigation.
02
Statues of a Bull and Canadian Moose represent cultural connections to the continents.
03
Hexagonal pathways made from volcanic ash enhance durability and aesthetics.
04
A Stirling engine generator provides electricity using geothermal heat.
05
Wastewater from the coffee shop is repurposed for irrigation.

The design features a tower inspired by ancient Viking boats, prominently positioned to act as a beacon in the landscape. Standing at thirty meters high, the structure directs visitors toward various attractions, including caves nearby. A pathway made from hexagonal volcanic ash pavers enhances the experience, providing a durable and visually suitable link to the natural setting.

Design Features

At the entrance, statues represent the continents of North America and Europe. A Bull symbolizes Europe, while a Canadian Moose represents North America. These figures make visitors think about the geographical and cultural connections between the continents. As people approach the tower, these elements encourage a deeper engagement with the site’s themes.

Functional Spaces

The design incorporates spaces that prioritize accessibility. A coffee shop serves as a place for visitors to rest and enjoy refreshments while taking in the landscape. An optional exterior lift provides access to both the coffee shop and the observation deck, ensuring comfort for all visitors. For those with mobility challenges, service in the lobby is easy to navigate and designed with a ramp.

Sustainability Features

Sustainability is a key consideration in the design’s operation. A Stirling engine generator, located on the ground floor, utilizes geothermal heat and ambient temperature to generate electricity. Water is drawn from boreholes and filtered for safety. Wastewater management is also considered; used water from the coffee shop is collected for irrigation, while black water is redirected to a septic system for processing.

Materials and Construction

The structure uses engineered wooden beams for its framework, allowing for straightforward assembly and quality control. This method speeds up construction while maintaining standards. Corrugated steel serves as the cladding, chosen for its strength and resistance to the local climate, requiring little maintenance. The design language reflects a focus on functionality and respect for the surrounding environment, resulting in a building that interacts well with its setting.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
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Final registration deadline 30 October 2025

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