The ruins of the first Spanish settlement in Puerto Rico.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

This community-driven organization uses education and eco-friendly technology to protect the environment.

These red and black houses were awarded to the firefighters who saved their city from an enormous blaze.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Dr Barnes' $25 billion private collection of art and arboretum.

The first American department store, and home to the largest operating musical instrument in the world.

World's first "penitentiary," meant to be humane, drove men insane.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

A rare view of a preserved Victorian science museum.

The final resting place of one of the United States's greatest poets.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

The oldest surviving botanic garden in the United States.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Where America's first doomsday cult awaited the end of the world.

These lush botanical gardens employ the most purrfect pest control force.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.