Walk through the history of American pop culture.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

The site of America's first commercial oil well essentially disappeared after the town went bust.

The last street in Pittsburgh that's paved with wood.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

The site of the little-known Pennsylvania battle that sparked the Seven Years' War.

The legacy of baseball great Roberto Clemente is preserved in a retired Pittsburgh fire station.

These lush botanical gardens employ the most purrfect pest control force.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

"Where the ducks walk on fish."

Where the oil industry began.

This public park was the site of the largest civilian disaster of the Civil War.

Pittsburgh's literal underground railroad.

A museum of anything and everything Stooge.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

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

Could it have picked a better place to land?