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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The highest point in Maryland is only accessible by hiking through another state.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

When ecosystems collide in the arid Southwest.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Roaming bison and a spectacular view at the highest point in Nebraska.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.

Home to items never before seen by the public.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This statue commemorates the meeting of the most influential minds of the women’s rights movement.

A near tragic event on this bridge helped inspire the classic film "It's a Wonderful Life."

What remains of the simple red brick chapel where the women's rights movement began.

In this relatively flat state the highest point is an honored place.