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

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

This one has sailed five times as far as Sir Francis Drake's famous ship.

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

A naturally mummified 2,000-year-old man.

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

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

In an odd geographic anomaly this city borders two different states on opposite sides of town.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

There aren't too many operational funiculars around, but Pittsburgh has two!

An abandoned stretch of highway, deteriorating next to the operational one.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Two massive rock outcroppings on the Oregon coastline.

A vertically floating hemlock controls the waves and weather at Crater Lake.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

A massive sea stack famous for its appearance in The Goonies.

Only known mainland rookery of the threatened Stellar sea lion.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.