Instead of burying our legacy under the Earth's surface, these structures showcase the impact of the millions of tons of trash major cities produce on an annual basis.

Everyone has a favorite place. These napkins and blankets show off the places most important to you by putting a customized map right on their surface.

Two gorgeous green graffiti projects are calling attention to the world-wide problem of potholes in city streets...and they're doing it with humor + beauty.

There are the original 7 wonders, the new 7 wonders, and these 7 wonders: ancient man-made structures that amaze and inspire us with their complexity.

Rotterdam's MVRDV, a team of 50 architects, has a sustainable vision for the future with stunning distinctive designs that seek to make cities more livable.

Adding living space, offices and restaurants to rooftops around the world, these 11 additions are unapologetically modern, taking loft living to new heights.

Cities can sprout from a swath of desert to a bustling metropolis in the blink of an eye - just look at these before and after images of Dubai, Shenzhen & more.

When buildings are abandoned, they are often demolished and their parts sent to a landfill. One artist dismantles them piece by piece and preserves them in art.

In cities around the world, couples are symbolically sealing their relationships by locking their affection in public spaces and throwing away the keys.

What does the future of Australian cities hold? These futuristic concepts envision a radically different tomorrow for Australia and the world.