Amazing Spiral Staircase at Garvan Institute in Sydney. This amazing spiral staircase is located at the Garvan Institute in Sydney, Australia. It is five stories high and makes your head spin about revolutions.
Rose Tower, Dubai 333 m ft) hotel on Sheikh Zayed Road in Dubai, United Arab Emirates. It was the world's tallest hotel from The tower was originally to be 380 m ft), but design modification reduced it to 333 m ft).