ST. PETERSBURG — A new engineering study delivers good news to those who have fought to save the inverted pyramid and to the design teams planning to reuse the iconic structure in the city's ...

The inverted triangle: The architects demur when asked if the house is a futuristic design. “It’s an original form from ancient times,” says Makoto Takei, a principal at TNA. Photo: Courtesy ...

This house might look like it's straight out of the future, but it's actually based on the oldest house design in Japan: the pit dwelling. Pit dwellings ...

ST. PETERSBURG — The inverted pyramid, once disparaged as a chicken roost, but in recent years lauded by admirers as a treasured icon, appears to be on its last days.

This inverted pyramid cutting into a hill in rural Spain is a mind-bending villa that offers epic views of the surrounding forest and the swimming pool below, in a shape that you wouldn’t expect.

Architects have designed an incredible 65-storey 'earth-scraper' which plunges 300 metres below ground.. The stunning upside down pyramid in the middle of Mexico City is designed to get around ...