You must take the A train... to the last active cemetery in Manhattan.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

Swim or sail to this pie-slinging boat off the coast of St. Thomas.

This balancing rock is one of Utah's most unusual geological formations.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The notorious headquarters of a corrupt political machine.

There must be a pun in this haystack somewhere...

The site of the deadly Triangle Shirtwaist Factory Fire.

A uniquely lettered street sign marks the corner where the iconic word game was invented.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

An unassuming secret door once led to a legendary watering hole.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A dilapidated dock tells the story of Titanic's missed arrival.

Elevated freight railway turned wildly successful urban park.

Built in 1512, the oldest cathedral in the Americas.

Historic home of a Black veteran of the American Revolution and one of the earliest civil rights activists in the United States.

After James Madison's death, his wife and former First Lady Dolley Madison lived in this yellow building near the White House.