The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

The final resting place of the famous Rhode Island lighthouse keeper who heroically saved dozens of people from drowning.

A 60-room castle constructed by a horse-racing heir.

An ancient cemetery with some historic bodies underfoot.

The final resting place of Harriet Tubman and other famous historical figures.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Beautiful stained glass depictions of the history of human flight fill this surprising chapel.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

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

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

This unique preservation is one of the only taxidermies in the world made with real whale skin.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

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

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

France's most famous cemetery, with some of its most curious tombs.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

The final resting place of the poets Shelley and Keats.

Holding the most bodies of any cemetery in the United States.