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

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

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

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

This giant iron playfully pays tribute to an early 20th-century architectural trend.

An annual celebration of the region's successful elk reintroduction program.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

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.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Elevated freight railway turned wildly successful urban park.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A lush green oasis in the middle of Chicago.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A bizarre roadside attraction and the first instance of miniature golf in the world.

One Confederate statue that accurately reflects the ugliness of its subject.

This structure among the trees was the result of divine inspiration.

This building contains handprints that are well over a century old.

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

A key producer of charcoal iron in the early 1800s, the structure still stands today.