According to local history, this cast-iron canine was nearly melted down for bullets during the Civil War.

A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

A tribute to those that perished during the American Revolution.

These ruins of an octagonal stone school that was later used as an A.U.M.P. church exemplify a popular school design from the 1830s.

The famed literary character has a unique connection to this city.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Fast food feels like fine dining at this award-winning modern Georgian building.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

The geographical center of Chile is a port so depressing that it has driven men to suicide.

The sullen remains of vessels abandoned in the Port Adelaide River.

West Point’s only monument to a woman veteran stands above an empty grave.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

A 19th century hat factory still stands as a crumbling ruin in upstate New York.

A living antique aviation museum in the historic town of Red Hook, New York.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

Climb the dead electric pylons of Messina.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The world's most active stratovolcano is almost always erupting.

According to legend, this cavern holds the passage that Persephone used to travel to and from the underworld.

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

This Ottoman-era church is hidden amid a busy tourist area.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.