This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

This North Carolina store preserves a historic moment in America's movement for racial equality.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

This historic national park is covered in the stunning ruins of red rock pueblos.

It's not your typical library, memorial, or book store.

A miniature city built by a single hunchbacked monk.

A 300-ship graveyard, with a few still visible at low tide.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.