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

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

The singer, actor, and activist lived here during his final years, and now it’s a museum dedicated to his legacy.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

One of Philadelphia's largest murals resides hidden under this bridge.

In the early 1800s, surgery was also a show.

One of the oldest of its kind.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

The longest covered bridge in Delaware.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

The location of the pie company that gave a classic toy its name is now a parking lot.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

Celebrating an art form with a collection of puppets from all over the world.

A humble air museum located in an original World War II aircraft factory.

Thousands of American timepieces on display in the former clock-making capital of the country.

A free display of artistic lifesize dinosaur sculptures in a backyard garden.

More than a century of radio history is told in these displays.

A museum dedicated to antique toys, collectibles, and nostalgia.

The early American colonists were such ferocious drinkers the law actually required every town to have a tavern.