The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

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

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Step into a pastel time capsule where candy is truly dandy.

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

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Claude Monet was baptized in this lavishly ornate Paris church.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Pizza joint known for labor-inducing salad dressing.

This iconic neon jester is a local landmark that you might recognize from his cameos in film and television.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The world’s first penitentiary, meant to be humane, drove men insane.

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

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Dr Barnes' $25 billion private collection of art and arboretum.

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

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

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Dive bar built out of the remains of a whaling ship.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.