Home on the Hillside, and home of the first breakfast cereal.

Rummage through this sunken ship, but leave your scuba gear at home.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

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

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

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

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The site of a tragic massacre that spawned a multimedia franchise.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

An abandoned castle owned and ignored by Masons carries a cursed history.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

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

An abandoned asylum where patients have been forgotten but their possessions remain.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

This sprawling museum holds one man's giant collection of real tanks.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

An overgrown garden stands as a grim marker of an unrealized dream.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.