One common-held theory is that spiral staircases were first installed in historic castles as vertical baffles, tiring out enemy infiltrators before they could make it to the top. This is why ...

President Trump has bought a new custom aircraft, previously owned by the Qatari government and once on the market for a cool ...

The layout has room for an eat-in kitchen and a separate bedroom or living room on the lower floor, plus a spiral staircase ...