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

Chase waterfalls, hiking trails and more.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

One of the finest surviving Irish tower houses, with 17th-century cannonball scars still lodged in the wall above the entrance.

This riverside restaurant delivers elegant dining in a historic 1901 train depot. 

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

There aren't too many operational funiculars around, but Pittsburgh has two!

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

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

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

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

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

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

This funerary monument to the guillotined king and queen of France became a political lightning rod and a site of pilgrimage for French monarchists.

A 26-foot-tall fiberglass American legend stands proudly here.

Forrest Gump ran past this iconic Maine lighthouse in his cinematic cross-country journey.

Learn about the history and hopeful future of Maine’s nesting birds at this interactive Audubon facility.

Delve into the life of Edna St. Vincent Millay, harbor town history, and a quiet seaside garden at this charming library.

An unsolved murder victim's grave which may or may not contain her body.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.