This Georgian-style house built in 1746 is the oldest surviving structure in Bladensburg.

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

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

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

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

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

Brain collection and database that narrows the gap between man and animal.

An astounding collection of medical specimens, including bits of President Lincoln.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

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

An unusual sculpture, an interesting history, in a strange place, for a good cause.

These five Art Deco homes were meant to solve the "small house problem."

A touching tribute to a local hero who made sure his neighborhood stayed clean.

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

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

An allegorical sculpture in Maryland wears the artist’s politics on its trunk.

A relic of FDR's brief foray into utopian urban planning.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

This general store has stood in the same spot for well over a century.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

This bell is one of the last remnants of the lost city of Triadelphia.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

A remote horde of architectural treasures fit for Indiana Jones.