The abandoned coal loading dock is a canvas for unsanctioned art.

A daily replay of the experiment that proved the rotation of the Earth.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

The rogue roots are gradually consuming some of the historic marble grave markers.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

Outsider art meets paleontology at this roadside reptile repository.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

This former asylum for Black Americans is haunted by its history of violence and racism.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

This statue honors the author's groundbreaking family story.

Hidden within an idyllic suburban garden is a memorial dedicated to the victims of a terrifying spree of killings committed on U.S. soil.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Once America's tallest structure, now a Baltimore landmark.

Easter in Westminster may be the only time and place to behold Edgar Allen Poe made entirely of Marshmallow Peeps.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

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

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

A museum dedicated to exhibiting remarkable outsider art.