The oldest of the three remaining bridges in England with buildings on top of them.

The ritual has been performed uninterrupted for nearly 700 years.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

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

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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Eighty million natural history specimens call this gargantuan museum home.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

Decades before the scandal, this staircase on the river was a literal "water gate."

A celebrity from the late Cretaceous period.

The walls of the iconic dome are hollow and have a secret stairway.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

At the time of its completion, it was the tallest dam in the world.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A beautiful geyser under environmental threat.

The highest point in Washington state is a volcano covered in glaciers.

The romance of early commercial flight still fills this Art Deco destination.

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

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

This giant disembodied horse head seems to balance impossibly on its nose.