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Corten Structures Overlooking Tectonic Plates for Visitor Engagement

Authors:
Wei Sing Lau, Hidi Lau, Gary Li, Thein Zaw
Corten Structures Overlooking Tectonic Plates for Visitor Engagement
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Corten structures rise above the tectonic plates of Hverfjall, creating distinct pathways and overlooks that invite visitors to engage with the landscape's geological history and cultural significance.
5 key facts about this project
01
Corten structures blend with the natural landscape, enhancing durability and visual harmony.
02
Curated openings in the observatory tower frame intimate views of Hverfjall and the surroundings.
03
The cabin tower features adaptable facades to accommodate varying weather conditions.
04
A zig-zag path runs along the tectonic plates, promoting geological exploration.
05
The design incorporates cultural references, such as the Huldufólk, fostering connection to local heritage.

Grjótagjá Cave Precinct is located near Mývatn and Hverfjall, designed to enhance how visitors explore the natural landscape. The design focuses on creating a journey rather than just a destination. It features two towers and a folly that guide people through the area, encouraging them to engage with the environment and appreciate its geological and cultural importance.

TOWER DESIGN

The two main towers act as landmarks within the site. The observatory tower is shaped like a slanted cylindrical cone and covered with black corrugated material. This design stands out against the sky and becomes more narrow as it rises. Inside, a small art gallery allows visitors to interact with the space while strategically placed openings offer intimate views of the landscape, encouraging a connection with the surroundings.

The cabin tower looks like a typical pitched house but showcases its full height beneath a viewing platform. Its operable facades adapt to changing weather conditions, making it functional for various uses. This tower serves as a ticketing area for bathing experiences and offers a lounge for visitors to relax while overlooking Hverfjall. A zig-zag path runs alongside the tectonic plates, allowing people to explore the geological features and connect with the natural elements of the site.

MATERIALS AND TEXTURE

The materials used in the design include concrete, black corrugated panels, corten steel, and plywood. Concrete creates a sturdy base that blends nicely with the landscape. The black corrugated panels provide a modern look while ensuring the structures do not dominate the scenery. Corten steel adds texture and strength, connecting the buildings to the robust terrain. Plywood is incorporated into the interiors to create warmth and comfort for visitors.

LIGHT AND SHADOW

An important aspect of the design is how light and shadow are managed. The folly casts long shadows during the winter, reflecting the shape of Hverfjall. This feature enhances the experience for visitors, highlighting the relationship between the architecture and the landscape. As visitors walk through the site, they encounter changes in space and light, encouraging them to appreciate the natural and built environments together.

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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 €
Eligibility Open to all
Final registration deadline 30 October 2025

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