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Volcanic Aggregates and Gray Concrete Anchoring Tectonic Engagements in Visitor Center Design

Authors:
Adriana Arteaga, Blake Villwock, Rahul Attraya
Volcanic Aggregates and Gray Concrete Anchoring Tectonic Engagements in Visitor Center Design

Project in-detail

Set against the tectonic ridge formed by the North American and Eurasian plates, the design integrates gray concrete and volcanic aggregates to create a visitor center that promotes community engagement and education within a unique geological context.
5 key facts about this project
01
Observation tower features a circular winding staircase leading to a roof oculus for expansive views.
02
Structures utilize faceted concrete blocks made from local volcanic aggregates, enhancing regional connection.
03
Halo bridge uniquely spans the tectonic plates, offering direct visual engagement with the landscape's geology.
04
Cairn garden invites visitors to participate in stone stacking, fostering interaction with the site’s natural elements.
05
Design incorporates passive sustainable systems, including rainwater collection and renewable energy for site lighting.

The Stone Marker Observation Tower and Visitor's Center is situated along the tectonic ridge between the North American and Eurasian plates, offering an educational platform within a landscape rich in geological importance. The design focuses on integrating the buildings with their natural surroundings, creating a space for community engagement and exploration of the unique environment. By using existing pathways, the structure minimizes disruption while enhancing the overall visitor experience.

Architectural Integration

The design features a set of carefully placed nodes along a fissure trail, guiding visitors through the geological wonders of the area. Key components include various pavilions, an outdoor hearth, a storytelling area, and a halo bridge that connects the two tectonic plates. Each element is positioned to allow for natural movement and interaction among visitors, creating spaces for both quiet reflection and social connection.

Visitor Engagement

An observation tower serves as the focal point of the site, complemented by a warming hut where visitors can gather around a central hearth. The canteen opens toward the fissure, enhancing the feeling of connection with the landscape. Facilities such as an office and a map room assist in visitor orientation and education, providing resources that link the physical experience to the geological narrative of the region.

Sustainability Considerations

The project incorporates various passive design techniques and sustainability measures. Buildings are arranged to create natural windbreaks around a central courtyard, while passive daylighting ensures comfortable interiors year-round. An onsite cistern captures rainwater for plumbing, and photovoltaic arrays generate renewable energy for lighting, aligning with approaches aimed at minimizing environmental impact.

Materiality and Interaction

The walls of the structures utilize faceted concrete blocks made with local volcanic aggregates. This choice of material connects the architecture to the regional geology while also providing structural support. The design includes an interactive cairn garden that invites visitors to partake in the Icelandic tradition of stone stacking, enabling them to engage with the landscape in a meaningful way.

The observation tower features a circular winding staircase leading up to a roof oculus, allowing visitors to interact with light and space. As people ascend, they are rewarded with expansive views of the surrounding geology, enhancing their understanding and appreciation of the site.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

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
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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