It is always surprising to me what a difference the same amount of money in one location can mean in another spot (like San Diego vs. Dallas), but the polar difference between this flat in Sydney versus a 21-room mansion in the UK countryside is absolutely insane.

How much house can $1 million buy you in a major Australian city like Sydney? Depending on where you are looking, it could be a one-bedroom luxury flat in the heart of Sydney or a three or four-bedroom home in the suburbs.

Now imagine paying $940,000 for a 21-room mansion sitting on six acres of lush countryside!

It's not a property pipe-dream but a reality in the UK where an 18th century mansion is on the market for the same price as an apartment in the heart of Sydney (as listed by price on realestate.com.au).

Read More on au.pfinance.yahoo.com