Here’s how Robert the Doll earned his reputation as the most haunted doll in the world.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The highway's southernmost spot is a beloved local attraction.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

The island residents are known for taking their quirky sense of humor with them to the grave.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Those belting out show tunes in this West Village piano bar might not realize it marks the site where Thomas Paine died in 1809.

Elevated freight railway turned wildly successful urban park.

A World War II-era submarine is stuck in the mud in New Jersey.

Series of storm drains connected to a dark urban legend.

An ideal wedding spot that is almost too ideal.

An allegedly cursed tree represents a town's reckoning with a racist past.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

A trompe-l'oeil statue honoring the first guide dog in North America.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.