A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

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 plaque marks a place where one of Hollywood’s most famous dancers got his start.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

This Old Testament garden features 100 plants from biblical times.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

An abandoned incline railway site is now a green space with six acres of trails connecting hilltop neighborhoods.

This shop filled with oddities and knick-knacks is named for a 19th-century charlatan.

A beautiful oddities shop crammed with strange and morbid curiosities.

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

An ode to filmmaker George A. Romero, who used the mall to film an iconic horror movie.

This little museum in the town where zombies were born celebrates the living dead.

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

This historic furnace was once used to produce cannonballs during the Civil War.

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

Pennsylvania's own Roswell-style UFO mystery.

This university transit system is a 1970's vision of the future.

The actor best known for slapstick comedy is memorialized in his home town.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

The only recreation of William Shakespeare's indoor playhouse.

Developed by focused shutterbugs, this museum exposes visitors to more than 6,000 different cameras.

An alternate history park where the Union Army loses the war... to dinosaurs.