The site of Paul Revere's historic two lantern warning.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Eighty million natural history specimens call this gargantuan museum home.

Largest lake in Great Britain measured by surface area.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A historic house left in "dramatic still life."

Hear the quietest sound from across the dome.

A cluttered and astounding collection of antiquities and curiosities.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Famously misunderstood wonder of the ancient world

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Elevated freight railway turned wildly successful urban park.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

An unusual round church in London with a Templar past.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.