One of the only single-person private gravesites in New York City.

Visit the monolithic tomb of America's most famous general.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

The "Seinfeld" diner.

Hiroshima survivor on Riverside Drive.

Peek through the gates at this oasis from the city, full of Old English charm.

The largest offshore wind farm in the world would be even bigger if it weren't for some pesky birds.

This Miami cemetery holds the remains of two Cuban presidents, a Nicaraguan president, and the senior Desi Arnaz. And it was once the resting place of the crown prince of Spain.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

A community of collapsing homes more than a mile out from the Florida coast.

Located within a historic park, the beacon is the oldest standing structure in Miami.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

An abandoned water sports stadium that has become a haven for graffiti and decay.

A self-explanatory attraction allows fans to respectfully remember and honor a comedy legend.

This small museum concentrates on the juicy history of orange production in Florida.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

Location of a reliquary containing bone fragments of 18 saints.

It's a pretty creepy lock-up.

Jacksonville's highways rendered this century-old grammar school unusable.

These ornate, fish-shaped water spouts guard Savannah’s historic facades.

This kitschy tavern is also home to rare early editions of "Treasure Island."