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Mycelium Structure Enhances Visitor Interaction in Geothermal Landscape

Authors:
Yuxiang Chen, Yihan Wang
Mycelium Structure Enhances Visitor Interaction in Geothermal Landscape
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Constructed with mycelium and integrated with solar panels, the structure facilitates visitor exploration of geothermal caves while minimizing ecological impact in the Grjótagjá area.
5 key facts about this project
01
Constructed from mycelium, promoting ecological sustainability.
02
Solar panels provide energy and heating for the facility.
03
Design mimics natural cave formations for enhanced visitor experience.
04
Integrates an interior irrigation system to support plant life.
05
Location in Grjótagjá enhances access to geothermal features.

The Pillar of Cave is located in the Grjótagjá area of Iceland, known for its unique geological features and geothermal activity. The structure serves as a visitor center, enhancing access to nearby caves while protecting the fragile ecosystem of the Vogagjá cave. The overall design aims to blend naturally with the environment, encouraging visitors to engage with the surrounding landscape and the experience within.

Materiality and Sustainability

Solar panels are installed along the enclosing platform, generating renewable energy to power the facility. This choice showcases a commitment to sustainability, reducing the ecological impact while ensuring efficient energy use within the area. The project reflects modern environmental practices, positioning it as a responsible structure in a delicate ecological system.

Organic Form and Visitor Experience

The design of the Pillar draws inspiration from cave shapes, resulting in a form that offers a unique exploration experience. Visitors navigate through openings and curved walls, creating a sense of moving within a natural cave. This journey elevates the experience, allowing for varied views of the striking landscape from multiple heights.

Interior Irrigation System

Inside, a concrete frame supports an innovative irrigation system that supplies water to plants growing between active areas and platforms. This system enhances the indoor environment, promoting plant life that connects visitors to nature while supporting the project’s ecological goals.

The Pillar features an irregular façade with thoughtfully placed voids that reference cave openings. These gaps allow for natural light and ventilation, and can also lead to the appearance of seasonal features like waterfalls or icicles. Such details not only enrich the visual interest but also highlight the relationship between the structure and the changing natural environment.

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Kingspan MICROHOME 2026: Building Less to Create More

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Competition organisers

The Kingspan MICROHOME 2026 competition invites architects and designers worldwide to rethink small-scale living by creating an off-grid, modular micro dwelling under 25 m². Now in its 11th edition, the contest emphasizes sustainable, innovative, and human-centered design that demonstrates how compact living can have a big impact.

With a €100,000 prize fund, entries will be evaluated for originality, efficiency, and their response to contemporary environmental and social challenges. The competition is open to everyone, with submissions allowed individually or in teams of up to four. Registration closes on 30 September 2026, and winners will be announced on 15 December 2026.

By celebrating creativity within strict limits, MICROHOME 2026 continues to push the boundaries of compact architecture and sustainable living.

MICROHOME 2026

Design a new concept of small-scale home and share a prize fund of 100,000€

100,000 € Prize Fund / Kingpsan Edition #11 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 September 2026

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