The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

This simple, broken column marks the final resting place of one of America's most famous explorers.

This defunct, fortress-like prison has been the setting for several movies.

An abandoned 19th century quarry in the middle of the woods, remade by unnamed wanderers into a massive series of rock thrones.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

This mouldering abandoned mental hospital was once a center for progressive healing.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

A winding, cliffside stretch of road overlooking the Delaware River.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

A whimsical, but often overlooked clock in Park Avenue.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

Wine bottle sculpture with a ship's stateroom inside.

The "Seinfeld" diner.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

A celebration of capitalism in Midtown.

New York City's smallest piece of private property.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The ruined remains of a coal mining ghost town are hidden within the woods.

This Old Testament garden features 100 plants from biblical times.

The last street in Pittsburgh that's paved with wood.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

This ominously named New Jersey street seems to be attracting over-the-top legends of its own making.