A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

This mysterious petroglyph evokes the ancient swastika symbol but was later vandalized with the more troublesome Nazi one.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

The final resting place of one of the most sensational guitar players of all time was created only after his father got the rights to his music.

A part of the world's largest marsh seems to be growing bright red Martian grass.

An abandoned subway tunnel that could have reinvigorated Staten Island still lies somewhere beneath this Brooklyn park.

A bygone village occupation lives on via this quaint public chalkboard.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.