The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

One of the world's earliest skyscrapers.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

The first American department store, and home to the largest operating musical instrument in the world.

Yo, Adrian!

This elaborate towering structure was once famed for its revolutionary height.

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

Alexander Hamilton’s creation caused quite a bit of controversy.

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

This beloved marketplace mascot poops money and grants good luck.

In a pedestrian tunnel on North Carolina State’s campus resides an expressive and artistic free-for-all.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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

Elevated freight railway turned wildly successful urban park.