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Cross-Laminated Timber Structure Embracing Geothermal Elements in a Scenic Visitor Experience

Author:
Aleksandr Zhornitskiy
Cross-Laminated Timber Structure Embracing Geothermal Elements in a Scenic Visitor Experience

Project in-detail

Utilizing cross-laminated timber to create a structure that harmonizes with geothermal features, the visitor center enhances the experience of exploring Iceland's unique volcanic landscape and provides educational resources.
5 key facts about this project
01
Utilizes locally-sourced cross-laminated timber to minimize environmental impact.
02
Incorporates charred wooden shingles for enhanced durability and fire resistance.
03
Features a bent A-frame design that optimizes structural stability against harsh weather.
04
Integrates geothermal heating systems to utilize the surrounding natural resources sustainably.
05
Provides educational displays on local geology to enhance visitor engagement.
The Grjótagjá Cave Observation Tower and Visitor Center is a contemporary architectural project located in Iceland, designed to enhance visitor engagement with the unique geological features of the region. This structure serves multiple functions including an observation tower, visitor information center, café, and geological exhibits. It is strategically positioned to provide sweeping views of the surrounding landscape, particularly the Grjótagjá cave, which is renowned for its geothermal activity. The design emphasizes a harmonious relationship between the built environment and the natural topography, making it a significant contribution to the architectural discourse on site-specific design.

Unique Site Integration
This project capitalizes on its geographical context by employing architectural elements that echo the surrounding volcanic formations. The use of Cross Laminated Timber (CLT) for the primary structure exemplifies a commitment to sustainability while offering a warm aesthetic that contrasts with the rugged landscape. The double-glazed curtain wall is strategically designed to enhance thermal performance, reflecting the project’s focus on energy efficiency. The façade incorporates polished lava stone, which visually connects the building to its geological environment. Moreover, the incorporation of a green wall system promotes biodiversity while improving air quality within the café area.

Functional and Educational Spaces
The architectural layout carefully considers visitor experience. The ground floor serves as a welcoming entry point featuring an information center and essential amenities. As visitors ascend through the building, they encounter varied spaces designed for social interaction and learning. The café on the first and second floors maximizes views and natural light, creating an inviting atmosphere for gathering. The incorporation of a movie theater highlights the project's commitment to multimedia educational experiences, while the gemology and minerals museum on the fifth floor provides a deeper understanding of the region's geological history. The observation platform on the sixth floor stands as the project’s crowning feature, offering expansive vistas of Myvatn Lake and its volcanic surrounds.

The architectural design of the Grjótagjá Cave Observation Tower and Visitor Center represents a refined balance between aesthetic appeal and functional utility. Its material choices, spatial organization, and environmental responsiveness denote a contemporary approach to architecture that prioritizes sustainability and visitor engagement. Those interested in exploring the architectural plans, sections, and innovative ideas behind this project are encouraged to review further detailed presentations available for deeper insights.
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100,000 € Prize Fund / Kingpsan Edition #10
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Architecture for Children’s Development #3
Buildner's Unbuilt Award 2025
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100,000€ Prize / 2025

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

Competition organisers

The 10th edition of the MICROHOME architecture competition invites architects and designers from around the world to explore the possibilities of compact, sustainable living. Hosted by Buildner in collaboration with Kingspan and Hapi Homes, this special edition challenges participants to design an off-grid, modular microhome for a young professional couple, with a maximum floor area of 25 m². Designs should prioritize innovation, efficiency, and real-world feasibility. 

A total prize fund of 100,000 € will be awarded, including three main prizes, the Kingspan Award, and the Hapi Homes Award, which will grant 15,000 € and lead to the construction of the selected design. The final registration deadline is September 25, 2025, and winners will be announced on Decebmer 9, 2025. For full competition details and submission guidelines, visit microhome.info.

Microhome

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € PRIZE FUND / KINGPSAN EDITION #10 IDEAS COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Early bird registration deadline 22 May 2025
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