This plaque in one of London's oldest public hospitals commemorates the first meeting of two of Britain's most famous literary heroes: Sherlock Holmes and Dr. Watson.

This underpass became an unlikely piece of cinematic history after its appearance in 'A Clockwork Orange.'

Conjoined twins Daisy and Violet Hilton were stars of the vaudeville circuit.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

A wedding chapel, vintage clothing shop, and bar all under one roof.

Asheville, North Carolina, was the the second place in the world to enjoy Kentucky Fried Chicken's secret recipe.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

This bridge is haunted by the ghost of a distraught mother.

The fine fabric handwoven at Biltmore Industries was once coveted around the world.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

This ancient art form was used to capture the lives and struggles of the Haywood Street ministry.

A museum dedicated to the legacy of Bob Moog and his pioneering synthesizers.

Possibly the world's only drive-in movie theater with an attached motel.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

The "Sultan of Swat" once attended a school at the site of this baseball field.