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.

Each of the five projects listed here took their toll financially and were paid for in part with human lives.

From tree furniture designs to unchecked acts of nature here are 25 examples of the amazing malleability of trees.

Since being decommissioned, many of these have gained strange second lives as everything from luxury resorts and private retreats to micronations and pirate radio stations.

These videos feature some of the more raw and original free runners who made this extreme urban sport what it is today.

The former Soviet Union has a complicated history that is told in part through some of its deserted infrastructure, from submarine bases to missile silos and more.

Imagine curling up in front of an 800 year old fireplace where a king once rested (or was arrested!).

Any artist knows, a new material can mean new aesthetic possibilities and unique material-dependent expressions.

Have you ever wondered what really happened to that mall in The Blues Brothers or where Tarkovsky filmed those jarring and surrealistic scenes in Stalker?