Who is Banksy? No one knows for sure but many have speculated about the identity of this mysterious urban street artist.

Art can be considered geeky for many reasons - from the materials used to the subject matter chosen. Here are twenty examples.

Here are ten monuments dedicated to remarkable men of science that have changed our lives.

Here are 5 different types of gardening that illustrate how varied this age-old pastime really is.

Light graffiti, also known as light painting, is a kind of leave-no-trace, sustainable and incredibly awesome temporary graffiti if captured right by clever photographers.

The Mona Lisa is one of the most famous historical paintings of all time and, as such, has spawned a great many look-alikes, fakes, copies and other derivative works.

Will the already-faint lines between the two one day become completely transparent?

Artists like Kurt Wenner, Eduardo Relero and Tracy Lee Stum create street art that's so incredible...

Since guerrilla marketing has entered the mainstream, however, the term has been applied to just about any type of advertising that attracts attention in an unconventional manner.

These seven trash-obsessed artists may have had a similar starting point but have managed to create an inspiring variety of art from abandoned refuse.

What would it take to get you to see a well-known building material in a new light?

Some guerrilla marketing is even done to support good causes though much of it is created to line the pockets of giant corporations.

From seed vault to military hideouts and diamond mines to nuclear waste dumps, here are seven more underground wonders of the world.

If you or a book-lover you know are stuck on how to redecorate your urban dwelling and store your favorite volumes here are twenty unusually clever shelving solutions.

These urban furniture designers prove recycling can be a lot more interesting than stuffing cans, bottles and cardboard into the proper containers.