Thirteen Unusual Architectural Ideas: Buildings, Installations and a Proposal

A building can make you smile before you know anything about it. A wall seems to bend, a house tilts into a cube, or a row of enormous book spines turns out to conceal a car park.

These thirteen examples become more interesting when you look beyond the unusual outline. Each combines an eye-catching form with a particular use and setting.

Waldspirale, Darmstadt: a residential landscape in a spiral

The bands of colour, irregular openings and rounded forms make Waldspirale easy to recognise. It is a housing complex, so its playful appearance belongs to a place where people live.

The Hundertwasser Foundation’s project record credits Friedensreich Hundertwasser’s design and architect Heinz Springmann’s planning. It records the inauguration in September 2000 and explains the concept of a rising, planted spiral.

Notice how the facade’s horizontal bands relate to the building’s changing height. View it considerately from permitted public areas, with residents’ privacy in mind.

Krzywy Domek, Sopot: a familiar facade with a visual wobble

Sopot’s Crooked House plays with the outline of a conventional commercial building. Windows, roofline and walls seem to bend, while the facade remains recognisable enough for the distortion to work.

Look first at the whole building, then compare one window with the forms surrounding it. The fun comes from that tension between what you expect and what you see.

The exterior is part of a commercial setting. Check individual businesses separately if your plan includes an interior visit.

Casa do Penedo, Portugal: a house fitted between boulders

Here the unusual form begins with the rocks. The building occupies the spaces between large boulders in the Fafe area, giving the impression that the landscape and house have grown around one another.

Our unusual homes and their settings feature includes the house’s official history. Avoid assuming that an exterior photograph establishes unrestricted entry or an overnight stay.

Kansas City Public Library: books on a garage wall

The Community Bookshelf is the famous book-spine facade associated with the Central Library’s parking garage. It should not be mistaken for the entire library building.

That distinction makes the design more enjoyable: an everyday piece of transport infrastructure becomes a statement about reading. Look for the relationship between the giant titles and the scale of the street around them.

For more places where books shape a memorable interior, explore our library travel collection.

Rotterdam’s Cube Houses: what happens inside the angle?

Piet Blom’s Cube Houses are an established part of Rotterdam’s architecture. The Kijk-Kubus museum’s information identifies the complex with 1984 and explains the experience of living within its sloping forms.

A museum house lets visitors investigate that question without treating neighbouring homes as open attractions. Check its current arrangements, including stairs and accessibility, before planning an interior visit.

Bibliotheca Alexandrina: a cultural centre as well as a library

Alexandria’s modern library has a distinctive inclined circular form. Its purpose extends well beyond the outline seen in photographs.

The Bibliotheca Alexandrina’s own overview describes libraries, museums and other cultural and research facilities. Choose the part that interests you rather than assuming one ticket or visit covers everything.

Our Egypt travel planning guide helps place Alexandria within a wider itinerary. An unusual building makes a rewarding stop when the design and the experience inside it both have room in your day.

Our architecture observation guide offers a smaller set of buildings to study through light, water and individual details.

Lotus Temple, Delhi: form and purpose belong together

The flower-like form is the immediately recognisable element, but the building is a Bahá’í House of Worship. Naming that purpose changes the encounter from looking at a strange object to considering a space used for reflection and worship. Its appearance does not make every part of the site an unrestricted photography setting.

The woodland house in Wales: a personal construction story

The original account described a family project involving the builder, relatives and helpers. Its hillside setting and use of natural-looking materials gave it a distinctive character. The photographs show the family's finished project, but do not provide complete building plans or a measured assessment of its environmental performance.

Dynamic Tower, Dubai: an architectural proposal

The rotating-tower entry described an architectural plan, including claims about independently rotating floors. It was not evidence of a completed building shown in normal operation. The concept belongs in a collection of unusual architectural ideas, with its proposed performance separated from what a built structure has demonstrated.

Nautilus House, Mexico: a shell as a spatial idea

Javier Senosiain’s house uses a shell-like form to organise the way the exterior and interior are imagined. The interest lies in how a familiar natural shape is translated into a domestic environment. It is not simply decoration applied to a conventional box, and the full photographs allow the form to be read beyond one exterior view.

House Attack, Vienna: an installation rather than a second home

The image associated with mumok shows an ordinary-looking house form in an extraordinary position against the museum. Its effect depends on that mismatch. The work should be understood as an art installation, not a functional family residence added to the museum roof or a verified description of what remains on display today.

WonderWorks, Pigeon Forge: an inverted building as a premise

The upside-down exterior supplies a story before a visitor encounters the exhibits. Recognisable elements appear where the viewer expects their opposites, making the façade a visual joke. The Tennessee place name is Pigeon Forge, and the building’s staged appearance is not evidence of actual storm damage.

Park Güell, Barcelona: architecture within a designed landscape

The Park Güell entry belongs to a wider Gaudí-designed setting in which architecture, ornament and landscape are closely connected. Curving forms and decorated surfaces give individual structures a distinctive appearance, but their surroundings are part of the experience too. This differs from a freestanding novelty building: the unusual shapes participate in a larger composition of paths, viewpoints and built features.

The full photographic collection

Many of these buildings begin with a recognisable object or familiar architectural form, then alter its scale, position or outline. The surprise works because something remains identifiable: book spines, an ordinary house or a conventional façade becomes the starting point for an unexpected exterior.