One man's collection of found art, sculpture, and ephemera adorns his two side-by-side homes.

This Cleveland mansion has played host to a German singing group, a Prohibition-era speakeasy, a funeral parlor, and many civil rights meetings.

A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

The angel of death appears to weep black tears at this grave marker.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

This former industrial site has transformed into a community sculpture garden that hosts monthly Full Moon parties.

The bones of an old zoo crumbling in the shadow of a new one.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

The world’s largest Masonic temple was saved by the White Stripes.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

A Beaux-Arts triumph set to become Ford's innovation campus

Abandoned concert venue legendary for its rock counterculture.

An echo chamber with a waterfall wrapped around its base at the Embassy of Canada in Washington, D.C.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

The oldest house in Washington, D.C. wasn't originally constructed in the nation's capital.

D.C. once had its own tiny rival to the New York Stock Exchange.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

The school tested mustard gas for the U.S. Army during World War I.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

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

A nostalgic bibliographic gem.