Johnny Fedora's place

Hint: How do I get here?

Hint: How do I get to the top of the boxcar?

Hint: How do I get inside the boxcar?

Hint: How do I get rid of the 'dog'?

Hint: Why isn't the cat interested in the cat food can?

Hint: Where is the safe?

Hint: How do I get the safe open?

Hint: What is the radioactive pool for?