Its diverse collection of computers and technology spans the ages.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

The world's oldest continuously operating airport was founded by the Wright Brothers.

Surrounded by traditional homes, this Tolkien-esque dwelling stands out on a quiet street in suburban Maryland.

This lovely tree was a thank you gift from the man known as "Public Enemy No.1."

A star fort along the C&O Canal in western Maryland that protected America in three wars.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

A priceless collection of the Nation's cryptologic history.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The trials and tribulations of marking Poe's grave.

Learn about our ancestral eating habits at the passion project of an archeologist.

An abandoned church gets a second life as a massive beer hall and event space.

A sacred collection of indigenous rock art.

This national landmark is also home to a massive treehouse.

Long before the Battle of Gettysburg occurred, dinosaurs roamed the area and left their footprints on this bridge.

This decommissioned surface-to-surface missile resides outside the American Legion Post in Pennslyvania.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.