Misc: Who is the patron saint of vanity?

Questions

Arguably the largest state in the world, ----------------------- covers one-third of the Australian continent. It spans over 2.5 million square kilometers (1 million square miles).?

Arizona boasts a great variety of fossils, the best known of which were of creatures that lived during the Triassic Period. These include early dinosaurs and the trees that left us Arizona petrified wood, (Araucarioxylon arizonicum), the state's fossil. Arizona petrified wood is protected in Petrified Forest National Park. Another famous Arizona fossil site is the Grand Canyon. It was carved out of the -------------, a famous geologic region.?

----------- has official state neckwear - the bolo tie.?

As of 1990, ------------------, Pennsylvania was the only U.S. city of the nation's largest 50 cities with a higher death rate than birth rate.?

At the start of the twentieth century, the spectacular city of -----------------, didn't even exist. Now it's home to more than one million people, and the city boasts nine of the world's ten largest hotels.?