This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

One New Hampshire alleyway has become home to a public gallery of feline art.

One tree's homage to soles past and present.

A castle built by an eccentric medieval enthusiast in rural Ohio.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

A tribute to the couples who brave long periods of separation during wartime.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

The childhood home of the meat inspector who would become the face of America.

Stand at the center of this lakefront sundial, and you'll become part of the timepiece.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A small chapel celebrating the spiritual bond between dogs and humans.

This unusual building straddles two countries.