Paths are maintained, but trees have taken over plots.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

The most confusing clock in New York.

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.

Cryptic messages embedded in the New York City sidewalk.

A semi-scholarly approach to sex.

A hollow cement depiction of time's inexorable effect on the human body.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

The palatial McDonald's that inspired Wesley Willis.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The final resting place of New Orleans' most famous voodoo priestess.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A bronze plaque at an intersection in Hoboken marks the place where the game of baseball first took shape.

Elevated freight railway turned wildly successful urban park.

The remains of a 19th century spring, and the site of an infamous unsolved murder.