The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

The Burnside Fountain and its questionable interpretation.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

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

You can spend the night as an honorary lighthouse keeper in this quaint, historic beacon.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

The only surviving fragment of the lost Narragansett Pier Casino.

The idyllic colonial home of the artist behind the famous portraits of George Washington and Thomas Jefferson.

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

Final resting place of one of the classic authors of horror literature.

This beach-side arcade is believed to be the oldest penny arcade in America.

Enjoy egg rolls and live music in a converted bank vault.

Largest Roman Catholic church in North America.

A celebrity from the late Cretaceous period.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

The 28,000-year-old specimen is remarkably intact.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

An overlooked memorial honoring the local Washington residents who died in World War I.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The site of the climactic scene from the classic horror film is now a historic landmark.