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Geothermal Observation Tower Enhanced by Angular Concrete Form and Expansive Glass Facades

Authors:
Shuting Zhang, Xinzhu You
Geothermal Observation Tower Enhanced by Angular Concrete Form and Expansive Glass Facades

Project in-detail

Nestled within a natural fissure, the angular concrete structure with expansive glass facades offers unparalleled views of Iceland's geothermal landscape, serving as a captivating observation tower for visitors to engage with the unique geological features of the area.
5 key facts about this project
01
The observation tower is uniquely integrated into a natural fissure, emphasizing a seamless connection between architecture and geology.
02
The angular concrete structure mimics the surrounding terrain's jagged lines, creating a visual harmony with the landscape.
03
Extensive glass facades provide unobstructed vistas of the geothermal features, enhancing the visitor experience.
04
A layered design approach allows for varied observation angles, encouraging exploration and engagement with the site.
05
Sustainable materials were prioritized, including durable concrete that withstands the region's volcanic activity while minimizing ecological impact.
The Cascade Cave Observation Tower is a thoughtfully designed architectural project located in northern Iceland, adjacent to the Grjótagjá fissure, a site renowned for its geothermal features and captivating landscapes. This observation tower represents a harmonious blend of architecture and nature, creating a space that not only serves as a point of interest for visitors but also fosters a deeper connection to the unique geological history of the area.

The primary function of the Cascade Cave Observation Tower is to provide visitors with a platform to observe and appreciate the breathtaking surroundings while offering opportunities for education and engagement with Iceland's natural environment. The design incorporates multiple levels, each tailored to enhance the visitor experience through strategic viewpoints and interactive spaces. Upon entering, guests navigate through a passage that reflects the natural fissures found in the landscape, creating a seamless transition from the outside world into the structure itself. This entrance serves as a metaphor for exploration, inviting individuals to delve deeper into the geological narrative embedded in the site.

Important design elements of the tower are evident throughout its configuration and materiality. The structure utilizes concrete as its primary building material, providing durability while being shaped to reflect the jagged contours of the surrounding geology. This choice also aligns with the need for resilience in an area characterized by volcanic activity. Large glass panels are integrated into the design, facilitating natural light to flood the interior spaces while offering unobstructed views of the geological features beyond. This extensive use of glass encourages a continuous visual dialogue between the inside and outside, allowing visitors to experience the striking landscapes even from within the tower.

Wood accents are strategically incorporated into the design, particularly within the interior spaces. This addition creates a warm contrast to the concrete and glass, ensuring a welcoming atmosphere that balances the often harsh Icelandic weather. The careful selection of materials underscores the project’s commitment to sustainability, reflecting a modern understanding of environmental responsibility in architecture. The juxtaposition of cold and warm materials within the tower not only enhances aesthetic appeal but also emphasizes the diverse characteristics of the landscape surrounding it.

Unique design approaches can be observed in the architectural framework and spatial organization of the tower. Each floor is dedicated to specific activities, from observation areas that provide stunning panoramic views of the natural heritage to a panorama café located on the top level, allowing visitors to enjoy refreshments against the backdrop of Iceland's remarkable scenery. This thoughtful arrangement encourages a natural flow and interaction among visitors, promoting a communal atmosphere that fosters shared experiences.

The architectural form of the tower can be seen as an extension of the site itself, with angular surfaces mimicking erosion patterns found in local rock formations. This concept is further reinforced through the use of openings and cantilevers that evoke a sense of movement and growth, embodying the geological processes that shape the landscape over time. The integration of the observation tower into the fabric of the site not only minimizes its ecological footprint but also enhances its structural and visual relationship with the environment.

Exploring the Cascade Cave Observation Tower offers a chance to experience a unique architectural response to its geographical and cultural context. The careful consideration of design elements such as architectural plans, sections, and innovative architectural ideas invites visitors to engage deeper with the project. As you delve into the architectural designs and their underlying concepts, you will gain a richer understanding of how this project not only serves its function as an observation point but also stands as a testament to thoughtful, sustainable design that respects and elevates the natural environment. For those interested, further details and insights into this impressive project are available for examination.
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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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