This chestnut box will not be opened until the country music legend's 100th birthday in 2046.

This 19th-century building inadvertently preserved the handprints of its builders within its walls.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

The longest-serving U.S. Secretary of State and Nobel Peace Prize winner was born in this humble cabin.

An homage to the pointers and retrievers that have long been a hunter's best friend.

Located inside a former record pressing plant, this recording studio pays homage to the techniques and gear of a bygone age.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

A fictional Coupe DeVille built by hand and gifted to the Man in Black himself.

John Hendrix predicted the creation of the "Secret City" built as part of the Manhattan Project.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

Over 200 people were buried here with only a small stone to mark their final resting place.

This museum dedicated to an oft-overlooked support industry features a surprisingly moving brass diorama of a man being saved from a sinking car.

This church houses the “incorrupt” body of its founding Bishop.

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

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

Mysterious library of an infamous financier and spiritual seeker.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

The world's largest collection of porcelain "veilleuses-theiere," or night light teapots, includes four that belonged to Napoleon.

Victorian-era Egyptomania left its mark on this Nashville landmark.

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.