Scattered throughout London are ancient remnants of the city's former bounding wall.

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

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

Time travel with sweets across history at this research-based candy store.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

This rocky spread has been squeezed up directly from the bowels of the earth.

The narrowest house in America is seven feet of pure spite.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

World's first "penitentiary," meant to be humane, drove men insane.