Top of the world.

IF you're not one to suffer from vertigo, then have a go at one of these towers.

WHEN A city plays host to a tower, its skyline is instantaneously fingerprinted. Towers make a place iconic right away. They offer the visitor the best way to see the city's layout, or simply to enjoy views that otherwise would not be possible from down below. From modern architectural wonders to quaint historical structures, try one of Malaysia's four towers for a new high.

Petronas Twin Towers, Kuala Lumpur They may not be the world's tallest buildings anymore, but locals still sigh in awe every time the twin spires greet their entrance into the city.

The twin towers held the title of the world's tallest buildings from 1998 to 2004 and today remain just as iconic …