Gaps between the three brick boxes of this house near Barcelona by local firm H Arquitectes can be transformed from enclosed rooms into covered patios by folding back glass doors at both ends (+ slideshow). More about House 1101 by H Arquitectes has rooms that double as sheltered patios
A landscape of stepped boxes covered in sisal displays products at this Barcelona boutique by local firm Arquitectura-G. More about AOO shop in Barcelona by Arquitectura-G has a stepped sisal display platform
A raw concrete house in Alicante by Spanish studio Langarita-Navarro Arquitectos becomes the scene for a string of mysterious murders in this series of images by photographer Luis Diaz Diaz (+ slideshow). More about Concrete house by Langarita-Navarro photographed as a crime scene
Spanish firm Nook Architects has renovated a Barcelona apartment by adding patterned floor tiles plus a combined step and window seat leading out onto the terrace (+ slideshow). More about Nook Architects add patterned floor tiles and window seat to Barcelona apartment renovation
A curving timber-clad wall divides the work space from a multipurpose meeting room at the offices of domohomo architects in Santiago de Compostela, Spain. More about Architecture studio with a bulging wall by domohomo architects
Spanish architects Josemaria de Churtichaga and Cayetana de la Quadra-Salcedo have built themselves a rural retreat with wooden walls, projecting terraces, and a brilliant yellow door and chimney (+ slideshow). More about Churtichaga + Quadra-Salcedo built their Four Seasons House in an idyllic meadow
One pivoting door sits within another to create a rusted steel entrance that can be big or small at this combined house and photography studio in Spain by American firm Olson Kundig Architects (+ slideshow). More about Pivoting steel doors lead into a house and photography studio by Olson Kundig
The resident of a compact apartment in Madrid demonstrates how she can rearrange walls and pull furniture out of the ceiling in this movie by photographer and filmmaker Miguel de Guzmán. More about Day-in-the-life movie follows the resident of an apartment with moving walls and secret furniture
A rooftop swimming pool with a glass floor cantilevers out beside the entrance to this house in Marbella, Spain, by Dutch office Wiel Arets Architects (+ slideshow). More about Wiel Arets' Jellyfish House features an elevated swimming pool with a glazed underside
News: architect Santiago Calatrava is facing legal action from his home city of Valencia because parts of the opera house roof at his City of Arts and Sciences complex are falling off just eight years after completion. More about Valencia to sue Calatrava over falling masonry at City of Arts and Sciences
American firm Johnston Marklee has designed a circular house with a paddling pool on the roof as part of a series of inventive holiday homes proposed by architects including Sou Fujimoto and Didier Faustino for a national park in Spain (+ slideshow). More about Johnston Marklee designs rotunda residence for series of Spanish holiday homes
Japanese architect Sou Fujimoto has designed a house encased in a lattice of giant sticks as part of a series of dream houses proposed for Spain's Matarraña region (+ slideshow). More about Sou Fujimoto's Geometric Forest to feature in series of Spanish dream houses
This symmetrical concrete house by Chilean studio Pezo Von Ellrichshausen is the first in a series of 12 holiday homes underway in the Spanish canton of Matarraña and will be followed by others designed by Sou Fujimoto, Didier Faustino and more (+ slideshow). More about Pezo von Ellrichshausen's Casa Pezo is first of 12 architect-designed dream houses
Decorative tiles salvaged from different apartments are rearranged in stripes across the floor of this Barcelona residence by Spanish studio Bach Arquitectes (+ slideshow). More about Traditional floor tiles arranged in stripes in a Barcelona apartment by Bach Arquitectes
Spanish architects Nook have renovated a small apartment in Barcelona's gothic quarter, leaving decorative floor tiles in place to reveal the original layout of the flat (+ slideshow). More about Nook's Barcelona apartment refurb removes walls but leaves original tiled floors intact
Spanish architecture collective Map13 combined a traditional Spanish construction technique with digital design tools to create this vaulted brick pavilion in a Barcelona courtyard (+ slideshow). More about Vaulted brick pavilion in Barcelona by Map13
The owner of this Madrid apartment moves between living and working spaces like a character in a computer game, using ladders and stairs that connect platforms inserted in a single tall, narrow space. More about Tiny Madrid apartment by MYCC with rooms connected by a ladder
Colour-coded meeting rooms and private workspaces are tucked behind wooden arches at the Google offices in Madrid by London practice Jump Studios (+ slideshow). More about Google's colourful Madrid headquarters by Jump Studios
The industrial materials used to construct this church in Seville, Spain, make it look more like an edge-of-town manufacturing plant than a place for worship (+ slideshow). More about La Ascensión del Señor by AGi architects looks more like a factory than a church
The rooms of this wooden house in a forest near Madrid by local architects FRPO branch off in different directions to slot into gaps between the trees (+ slideshow). More about MO House in the woods by FRPO