What if you could push a balcony outward on demand, rather than adding an entire deck or patio? Here are three designs to expand outdoor space in creative ways.

Another contender for the first 3D printed house, 'ProtoHouse 2.0' looks like a spider's nest and can be assembled without screws or welding in a single day.

An unusual collaboration between an architect, an inventor and a mathematician-plus-artist is producing the world's first 3D-printed home in real life.

You might have passed right by train tunnels, communications towers or even entirely empty buildings and never realized you were being duped - until now.

Planned for a rural area outside Chengdu, 'Great City' will be entirely car-free, organized around central vertical housing with green spaces easily accessible.

It started with trap streets and phantom settlements, introduced to through off the maps of copycats - but what about trap rooms and other indoor spaces.

These 11 unfinished, abandoned, canceled, mothballed and/or suspended nuclear power plants will, for better or worse, never know the warmth of split atoms.

When churches grow old, they can be purchased, and renovated into amazing houses that uniquely introduce religious elements into a pedestrian environment.

An abandoned factory complex in Spain has been transformed into a massive office for an architecture firm, leaving much of the old machinery intact.

From palatial chateaus to the world's largest vertical slum, these 7 abandoned wonders of residential architecture are stunning examples of waste and decay.