A small town museum celebrates the history of the Ohio county that produced Annie Oakley and other famous figures.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

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

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

Landmark dedicated to the plight of the American Indian in the 21st century.

The largest ancient burial mound in Ohio.

The final resting place of the most famous sharpshooter.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

This magnificent Cincinnati graveyard is also a popular public park.

What is it about mushrooms that makes people wish they lived inside of them?

Rare recess caves fill this unbelievably beautiful Ohio park.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

A castle built by an eccentric medieval enthusiast in rural Ohio.

The largest earthwork effigy in the world.

The Magical World of George Phar Legler.

The huge granite obelisk that towers over a small California town.

The short oil boom of Venice Beach, and its swift removal from the tourism-laden landscape.

Thousands of turbines whir at at the origin of North American wind power.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One of the largest trees of its kind in California.

The blinking light atop the iconic landmark has been sending secret messages for decades.