The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

America's post-nuclear-attack chambers of Congress.

This overlooked courtyard and museum celebrate Benjamin Franklin's life and achievements.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

Take a step into the workshop where Edison and his employees revolutionized the world.

Thomas Edison's home and final resting place also boasts an impressive garage, where some of the earliest electric cars are on display.

This haunting monument honors the victims of 9/11.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

A world-class collection of mechanical musical instruments and automata.

Step inside Lucy, the world's largest "elephant."

A unique sculpture park that specializes in the huge and bizarre.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The oldest still-operating tavern in the United States was once owned by a pirate.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

Home of Philip Johnson, one of the 20th century's most influential architects.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.