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Spiral Tower with Lava Stone and Composite Wood Integration

Author:
Ari Bungers
Spiral Tower with Lava Stone and Composite Wood Integration
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The spiral tower, constructed with a combination of lava stone and composite wood, offers panoramic views while serving as a visitor centre adjacent to a cave, effectively blending functionality with environmental sensitivity.
5 key facts about this project
01
The roof features a rainwater collection system for sustainable water management.
02
A spiral viewing tower provides multiple vantage points of the surrounding landscape.
03
Composite wood is utilized for structural elements, enhancing durability and aesthetics.
04
The café offers seating at the base of the tower, promoting visitor interaction.
05
Parking and loading areas are designed for efficient access and traffic flow.

The visitor centre is located in proximity to a cave, designed to connect with the surrounding natural environment. The centre enhances the visitor experience by offering a range of amenities and features in a layout that promotes ease of movement. Its design emphasizes functionality alongside sustainability, creating an inviting space for exploration and relaxation.

Architecture Concept
The overall layout is structured with open pathways and designated viewing areas that encourage visitors to engage with the landscape. Each part of the visitor experience is considered, from the entrance to the varied amenities such as the café and restrooms. The inclusion of a meeting plaza facilitates social interactions, providing a space for groups to gather.

Building Structure
This design incorporates various building steps, including a basement with a central pole supporting a spiral structure. Premade step elements create a rhythm to the design, while cladding components like the roof and glass contribute to the centre's aesthetic. Carefully planned technical installations ensure that the structure functions well without compromising user experience.

Sustainability Features
An important aspect of the visitor centre is its focus on sustainability, highlighted by a rainwater collection system. This system captures rainfall from the roof, filtering it for storage and reuse. Additionally, energy is generated from vertical windmills nearby, underscoring a commitment to reducing carbon emissions and promoting environmental responsibility.

Materials and Design Details
Materials chosen for this project include composite wood with a white finish, clear glass, natural wood, and dark gray lava stone. Each plays a role in creating a comfortable, inviting atmosphere. The spiral viewing tower stands out, providing wide views of the surroundings. Café seating at its base allows visitors to relax while enjoying the scenery. The roof features lighting that improves visibility at night, offering a welcoming feel after sunset.

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The Next House: USA — A Global Call to Reimagine the American Suburb

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Competition organisers

Buildner is launching The Next House: USA, a global architecture competition that challenges architects, designers, and thinkers to reimagine the American suburban home for the 21st century. For decades, the suburban house has symbolized comfort and stability, but today it often reflects excess, isolation, and environmental strain. This competition asks: how can the American home evolve to address climate urgency, economic pressures, and shifting social values?

Participants are tasked with designing a prototype home of no more than 1,500 sq ft (≈140 m²) for a household of two adults and one child. The design should be compact yet generous, adaptable, sustainable, affordable, and replicable across diverse U.S. contexts. More than a design exercise, the competition aims to spark a conversation about how homes can support healthier, smarter, and more connected communities.

The total prize fund is $20,000 USD. The final registration deadline is May 20, 2026, and winners will be announced on September 22, 2026. The Next House: USA invites architects, students, and visionaries worldwide to redefine what the American home means today—and what it should mean tomorrow.

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