The Master of Magnetism dominates the walls of a scrap metal yard to keep graffiti artists at bay.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

The last street in Pittsburgh that's paved with wood.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Once home to more than 50 displays of freshwater fish.

A pocket of jungle amidst urban expansion in Panama.

This church was transported brick by brick from the ruins of a 16th-century city into Panama City's current historic district.

A tower devoted to — and modeled after — the Divine Comedy.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

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

Once the center of power for the region's various factories.

A neo-Gothic castle in the Argentinian countryside.

This giant power line tower is a robot that can express its moods in neon.

A mysterious architectural gem in one of the most elegant areas of Buenos Aires.

A gateway to a mysterious network of underground tunnels.

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

An ancient forest of the Paleocene Age turned to stone.

"Di amigo y entra" at this Argentinian Middle Earth-inspired pub.

Once swallowed by flood waters, this village has emerged as an eerie shadow of its former self.