This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

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

A quirky collection of outsider art made from automobile parts.

An Irish Memorial commemorating those who perished due to potato blight.

This dramatic rail curve was once the target of a failed Nazi attack.

These lush botanical gardens employ the most purrfect pest control force.

A daily replay of the experiment that proved the rotation of the Earth.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Unique tower has outlasted a takeover of the company.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

The overgrown remains of an old rail bridge rise above the valley like ancient Greek ruins.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

A fiberglass jungle, deep in the wilds of the Cleveland suburbs.

A curiosity-seeker's paradise set inside a three-story historic school house.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

A life-sized memorial to Harry L. Collins, the official corporate magician of Frito-Lay.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

A retro walk through the history of the tube.

What was once the largest NFL stadium.