Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

An ice cream parlor chain that caters to vegans and pinball fans equally.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

Couple's personal collection of pinball machines turned public pinball museum.

A walk through the historic city center, under the streets of Seattle.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

One of the oldest of its kind.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

World's first "penitentiary," meant to be humane, drove men insane.

The unassuming structure was part of a Major League Baseball stadium.

The highest rapid transit station in the world.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

Where the legendary Orson Welles got his theatrical start before "Citizen Kane."

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

Once called Winthrop Park in 1889, home to a decidedly sexy tribute to the Monitor vs. Merrimac battle.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

The home of one of America's most beloved fictional characters has become a real world landmark.

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

This recently uncovered ad for Lindsay's run at Mayor in 1965 had been hiding for decades underneath a billboard.