Most famous work of one of Frank Lloyd Wright's sons.

An underground magnet for ever-changing street art.

The man who wasn't there.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

The world-record holder for the longest bridge stretching continuously over water.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

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

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

An astounding collection of medical specimens, including bits of President Lincoln.

Famously misunderstood wonder of the ancient world

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This abandoned boat was left in place thanks to its rotting beauty.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.