An urban forest overtakes what was the greatest failure of utopic urban housing.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Like Mardi Gras, only everyone's a pirate.

A big museum full of little worlds.

Feeding hungry Ballard boat workers since 1922.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

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

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

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

A rare example of World War I trenches from the British front.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

"A hideous albatross in the Hudson River Valley."

This erect, phallic geological spire wasn't always named so domestically.

Huge stone depressions which may have acted as an Incan agricultural experiment.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

World War II bunker still standing on the New Jersey beach.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

100 massive sculptures in the Hudson River Valley.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.