This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

The former sign of this immortal music venue is just that--undying.

New York City's smallest piece of private property.

The secret city built by the Manhattan Project.

Georgia’s last drive-in movie theater is a relic of a bygone era.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

Mai Tais and Navy Grog served up in one of the original tiki bars.

A bit of retro transportation flair preserved in the world's largest department store.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

This groundbreaking 16th-century map is known as "America's birth certificate."

Visit a family-run restaurant that has been serving the epitome of soul food for more than seven decades.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Some believe Ponce de León's mystical spring lurks right under a public drinking fountain.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Two flush headstones mark the only known graves to be embedded in an airport runway.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

"X" marks the spot of an echo chamber in the middle of a plaza.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

One of the oldest surviving bars in the United States, located at the site of the last skirmish of the American Revolution.

Family-run for more than a century, this pizzeria makes a unique mustard pie.

Mysterious rocks that ring musically when struck.