The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

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

An award-winning children’s garden enchants visitors at the intersection of natural beauty and fairy tales.

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

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

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

This monument is dedicated to those lost on June 6, 1944, in the town with that day’s highest per-capita casualty rate.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

A museum dedicated exclusively to aircraft used in the military.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

A diorama of the Civil War, fought by cats.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

These lush botanical gardens employ the most purrfect pest control force.

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

Yo, Adrian!

Dr Barnes' $25 billion private collection of art and arboretum.

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.

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

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.