A focal point for the German American Festival-Society symbolizing the "Spirit of Unity' and fellowship for the Toledo area.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The statues honor the state transportation employees who've died while performing their work-related duties.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The only surviving prototype for Buckminster Fuller's house of the future.

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

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

A bit of retro transportation flair preserved in the world's largest department store.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A celebration of capitalism in Midtown.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This museum in the woods evokes the work and lives of Michigan's 19-century lumberjacks.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.