A living memorial to the trees London lost during the Great Storm of 1987.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

England's most famous front door has an accidental doppelganger.

Before becoming a poet John Keats studied here to become a surgeon.

One of the four clock faces on this church is mismatched, in a nod to a historic slight.

London's smallest police station is barely the size of a phone booth.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This one has sailed five times as far as Sir Francis Drake's famous ship.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

An incarceration museum on the spot of possibly the oldest prison in England.

A Roman spa buried deep beneath the City of London.

Where condemned pirates met their grisly end at the gallows on the River Thames.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

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

This vintage train once gave new meaning to “swimming upstream.”

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

One of the largest private collections of fossils in the world.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

A crumbling ghost town on the South Dakota prairie.

Every president in history is immortalized in bronze in downtown Rapid City.

A morbid piece of memorabilia from the most famous shipwreck in current history is just one of the many poignant artifacts in this Canadian museum's collection.