North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

A daily replay of the experiment that proved the rotation of the Earth.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

A local prank turned town icon.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

An outlandish shoe shaped house built by an eccentric millionaire.

This elaborate towering structure was once famed for its revolutionary height.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A rare view of a preserved Victorian science museum.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

This two-room shotgun shack in Tupelo is the birthplace of a King.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

This museum pays tribute to the Cherokee leader who created a written language for his people.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

These early tent-shaped grave coverings are unique to Appalachia.

This historic train station has been converted to a locomotive themed hotel.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.