Oldest synagogue in the United States.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

The tunnel under the Capitol Building where Congress takes out its trash.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A statue of the English poet for whom this Delaware town is named is ritually dressed in seasonally appropriate clothing.

Go take a picture with the inventor of the daguerreotype photographic process.

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

The historic home still shows the scars from a little run-in with the British in 1813.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

A line of blue paint marks the route of the inaugural parade.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

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

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

A surreal statue honoring Prague's favorite literary son.