This iconic Lancaster everyman has been reading the same story since 1980.

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

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

The first of Lancaster's "rural cemeteries."

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This dramatic rail curve was once the target of a failed Nazi attack.

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

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

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This exhibit pays tribute to the “humble tinkerer” who invented the implantable pacemaker.

Buffalo's abandoned concrete grain elevators are getting a second life.

This restored house is like a time capsule of the president's unconventional inauguration.

An unprepossessing stone marks the last resting place of one of the most accomplished Native Americans in history.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

Over 60 chemical plants and oil refineries sit in a 15-mile-wide section outside town.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Rare recess caves fill this unbelievably beautiful Ohio park.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

A huge enchanting public park just outside the ancient walls of Rome.

The mummified relic of St. Antoninus.

There's a crumbling old mansion inside the Smithsonian National Zoo.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.