Patty Hearst, the granddaughter of publishing magnate (and Citizen Kane inspiration) William Randolph Hearst, was kidnapped from her Berkeley apartment by the Symbionese Liberation Army on February 4, 1974.

The Symbionese Liberation Army, or SLA, drew their name from the word "symbiosis", and based their manifesto on leftist urban guerilla propaganda.

Hearst participated in a bank robbery at 1450 Noriega Street in San Francisco on April 15, 1974. She was photographed wielding an M1 carbine at the Sunset District branch of the Hibernia Bank.

Patty was shuttled between many safe houses by the SLA until her eventual arrest in September of 1975. This house in Haight-Ashbury is one of them.

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Plato wrote of the lost civilization of Atlantis being located somewhere beyond the Pillars of Hercules (now Rock of Gibraltar).

Considering ancient people saw the Pillars of Hercules as the edge of the known world ("Nec plus ultra" means "nothing further beyond" and was the local motto), this doesn't exactly serve as a GPS coordinate. But if it keeps late-night History Channel documentaries in business, why the hell not?

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The Rock of Gibraltar is the name given to the promontory rock formation that overlooks the landscape on the strait of Gibraltar on the southwestern tip of the Iberian Peninsula.

Currently owned by the UK Crown as a British overseas territory (to the chagrin of most Spaniards), the Rock of Gibraltar is mostly known these days for the troop of macaques that explore the labyrinth of tunnels with the tourists.

In antiquity, the Rock of Gibraltar was one of the Pillars of Hercules. In the Greek myth of the twelve labors of Hercules, the tenth labor was to fetch the Cattle of Geryon of the far West and bring them to Eurystheus. The Rock of Gibraltar represents the westernmost point of that labor. Jebel Musa, across the Strait of Gibraltar, serves as the North African Pillar of Hercules.

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Located at Pilgrim Memorial State Park in Plymouth, MA are the alleged remnants of Plymouth Rock- the site of disembarkation of William Bradford and the Mayflower Pilgrims who founded Plymouth Colony in 1620.

"Alleged" because the specific rock itself was selected based on the memory of a 94-year-old man who was born 27 years after the Pilgrims landed. "Remnants" because that said rock was chipped away by tourist scavengers, and broken in half (the other half is in Plymouth's meeting house, Pilgrim Hall).

The rock was inscribed with the date "1620", and is now mercifully resting under a Victorian-style canopy and behind an iron fence.

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A small wooden house built in the North End in 1680, the Paul Revere House is the oldest building in Boston.

The home was purchased by Revere in 1770 when he was 35 years old. It was where he was living with his family (he had 16 children in all) when he made his famous ride to Lexington on April 18, 1775. This was later immortalized by Longfellow’s famous poem "Paul Revere’s Ride".

Today, the home is part of the Freedom Trail.

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