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

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

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

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

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

Built in 1945, this historic train station has a new lease on life with its baggage area serving as an event space.

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

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

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

Concerned residents saved this historic house and garden from demolition.

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

A historic cemetery filled with quirky faux wood art and unique tombstones.

A historic cemetery with unique artwork, a Civil War fort, and also happens to be the site of the Battle of Bladensburg.

Politicians, bureaucrats, and military officers gathered in this field near the Capitol to settle their disputes with blood.

George Washington once stopped by this house for dinner.

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

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

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

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

Two dozen pinball games hidden away inside a most unlikely location.

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

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

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

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