Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

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 rooster who crossed the road lives on forever in Takoma Park, Maryland.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

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

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

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

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

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

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

The whole world in one water tank.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

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

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

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.

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