This park contains a number of standing stones meant to heal and inspire.

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

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

The oldest farmer's market in America is so ancient it was approved by the King of England.

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

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

The final resting place of two members of the infamous Doan gang, notorious outlaws and Revolutionary War Loyalists.

Yo, Adrian!

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

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

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

A toxic ghost town sitting atop a massive coal fire.

Dedicated to extinct passenger pigeons.

A tribute to Charles M. Schulz, who created the iconic cartoon that features Charlie Brown, Snoopy, and more.

A notable example of Prairie School architecture that disregarded Victorian concepts about room divisions and featured a long, narrow floor plan.

The unbelievably opulent home built for an infamous newspaperman.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

These ancient sacred grounds granted amnesty to those who managed to reach them.

Watch the newest land on the planet form before your eyes.

A controversial memorial at the place where Captain Cook met his violent end.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.