Much of America's little-remembered history can be found in largely unknown structures scattered across the United States, some of which are silently falling apart.

The European Union may appear on the surface to be a unified body but underneath each member country retains a unique and complex history.

There are amazing abandonments in America but the former Soviet Union has some of the most interesting, unique and strange abandoned buildings.

Imagine entire islands and vast building complexes eerily abandoned virtually in your own back yard. This seemingly far-fetched scenario might be more real than you realize.

Ever see an impressive derelict structure and wonder just how a building so elegant, sizable or centrally located could be abandoned?

The latest in the ever-popular 7 Wonders Series, here are the scariest, steepest, longest, widest, narrowest, most confusing and most crooked urban streets in the world!

From Venice to Boston, Egypt to England, here are seven amazing engineering wonders of the modern world.

Did you know that one in every ten people in the world lives on an island? Here are some of the remotest, least inhabited, strangest and scariest islands in the world.

Humans burrow into the Earth out of anything from necessity to superstition, driven by coincidence or coerced by circumstance.

What motivates humankind to burrow deep into the Earth?