Cliffside houses provide a spectacular view from their perch above the valley.

Museum precariously perched on a massive yellow pillar.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The largest garbage dump in all of Central America is home to a tragic community that make their living from the refuse.