Some of his works are on display in large public transit hubs .
Some of his works can be bought from vendors at tourist attractions such as the Empire State Building , the Statue of Liberty , Fifth Avenue , and the Skyscraper Museum .
Some of his works are on display in large public transit hubs , and can be bought from vendors at tourist attractions such as the Empire State Building , the Statue of Liberty , Fifth Avenue , and the Skyscraper Museum .