London's coolest new attractions: The Cutty Sark - Five years after it was engulfed by fire, this three-masted, 19th-century tea clipper has emerged from a $77 million conservation project. The 143-year-old vessel, the fastest merchant sailing ship of its era, now appears to levitate above ground—her hull encased in a web of glass 11 feet above ground and dramatically illuminated at night.