The little-known second castle that William the Conqueror built in York.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

The world's smallest drawbridge.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

The shared home of a utopian commune that practiced "free love" a century before the hippies.

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

Once America's tallest structure, now a Baltimore landmark.

This elaborate towering structure was once famed for its revolutionary height.

The first American department store, and home to the largest operating musical instrument in the world.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

A nearly 100-year-old dining car in upstate New York embodies the golden age of roadside dining.

"A hideous albatross in the Hudson River Valley."

In 1898, a New England storm that claimed more than 400 lives created this brand new stretch of shoreline.

After the parade, students throw their beads on the tree hoping for good luck on exams.

The beautiful, fruit-covered facade hints at this building's former life.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

This two-room shotgun shack in Tupelo is the birthplace of a King.

William Faulkner kept his beloved estate wild and untamed.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!