Based on the clue 'built at the turn of the century the metropol on t...', what is the answer?

What is associated with: built around 1776 tank cottage in this city is said to be the oldest house in wisconsin? What is associated with: built around 1830 this first us locomotive shared its name with a diminutive pt barnum star? Based on the clue 'built as a convent school an australian museum hon...', what is the answer? Based on the clue 'built at a cost of more than 200 million it stretc...', what is the answer? What is associated with: built between 1585 1593 belyi gorod helped defend this world capital? What is associated with: built between 1732 1756 this philadelphia building is on the reverse of the bicentennial half… What is associated with: built between 1817 1825 it was 363 miles long 40 feet wide on top 4 feet deep? What is associated with: built between 1891 1916 the trans siberian railway runs from chelyabinsk to this pacific city?