Here’s a really interesting site built on Google Maps that provides the exact opposite location from your current location.
Let’s say that you are going to dig straight through the earth from your current location, which means you will end up in a new place. Now I am from Bangalore and if I was about to drill a hole through the earth’s core, I would be in South Pacific Ocean. That’s awesome, right?
Antipodemap is the site you need to use for finding your opposite location. There are two Google Maps available; in the first one you will have to set the marker to your current location.
The second Google Map — the Antipode* Map — will automatically show the antipodal (opposite) direction, which is the place where you’d come out if you were to dig through the earth.
Did you end up somewhere in the ocean or an island?
*According to WikiPedia, Antipode is the point on the Earth’s surface which is diametrically opposite to it.
Related: 3D Titanic Model on Google Maps.