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Ritual Spaces Embracing Geothermal Warmth and Tectonic Landscapes

Authors:
Hai Huynh, Chi Victoria Ting, Wina Wu
Ritual Spaces Embracing Geothermal Warmth and Tectonic Landscapes
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Emphasizing geothermal energy and the tectonic landscape, the design integrates a viewing tower, bath house, and café to create an immersive visitor experience at the Grjótagjá caves.
5 key facts about this project
01
Emphasizes geothermal energy for efficient heating throughout the year.
02
Integrates a viewing tower to enhance visual access to the unique geological landscape.
03
Features a bath house designed for cleansing rituals before accessing hot springs.
04
Utilizes a non-linear layout to encourage exploration and intimate interactions.
05
Reflects local cultural practices through spaces that connect visitors to nature.

The Promenade through the In-Between is located in Iceland, designed to create an experience that connects visitors to the natural world of the Grjótagjá caves, situated between tectonic plates. As a visitor accommodation center, it includes a viewing tower and gallery, a bath house, and a café. Each part serves a specific purpose and contributes to an overall sense of place. The design concept emphasizes the relationship between geological movements and human interaction, inviting visitors to engage deeply with the unique landscape.

Viewing Tower and Gallery

At the heart of the design, the viewing tower and gallery allow visitors to take in sweeping views of the surrounding landscape. This feature encourages exploration, creating a vantage point where guests can appreciate the geological features of the area. Observing the terrain from above fosters a connection between visitors and nature, showcasing the dramatic beauty of the site.

Bath House

The bath house plays a crucial role in visitor preparation before entering the Kvennagjá hot spring. It is designed to support the cleansing rituals that are a part of Icelandic culture. The thoughtful layout guides guests smoothly from one experience to another, emphasizing the importance of these moments in the journey. This space not only serves a practical function but also enhances the overall visitor experience by providing a point of reflection before engaging with the natural hot spring.

Café

The café offers a space for relaxation and interaction at the end of the visit. Here, guests can unwind and share their experiences. The placement of the café encourages a smooth transition from exploration to reflection, creating a balanced flow within the accommodation center. It serves as a gathering spot, allowing people to connect with one another while enjoying the environment around them.

Geothermal Energy Utilization

A significant aspect of the Promenade through the In-Between is its use of geothermal energy, which is readily available in the region. The building utilizes this sustainable energy source for heating, creating a comfortable atmosphere for visitors throughout the year. This design detail highlights the commitment to environmental responsibility while enhancing the experience for those who come to explore the site.

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Celebrating Visionary Design: The Buildner Unbuilt Award 2026

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The Buildner Unbuilt Award 2026 celebrates visionary unbuilt architectural projects that explore creativity and innovation. Open to architects, designers, and students worldwide, the competition welcomes submissions 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).

With a total prize fund of €100,000, each category winner receives €20,000, alongside student prizes of €5,000 and a €10,000 Best Presentation Award. Winners will also be featured internationally and presented with the Continuum Trophy designed by Germans Ermičs.

Registration runs from 31 October 2025 to 23 September 2026, with submissions due by 20 October 2026 and results announced on 1 December 2026. More information is available at architecturecompetitions.com 

Buildner's Unbuilt Award 2026

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

100,000€ Prize / 2026 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 23 September 2026

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