A monument marks the location of the first successful steamboat demonstration.

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

One of the few surviving examples of the first lock and dam system built on the Ohio River.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

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

Thousands of jack o'lanterns light up Halloween at this historic West Virginia home.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

America's post-nuclear-attack chambers of Congress.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

Annual Easter display made up of thousands of hand-painted eggs.

The oldest remaining authentic Putt-Putt course that Donald Clayton created in Ohio.

Home to several unusual artifacts, including a huge painting of George Washington.

Beside a busy highway, a colony of Great Blue Herons raises hundreds of offspring each year.

In the middle of an abandoned stretch of old Route 50 lies a tombstone that weighs three tons.

This campus museum commemorates a national tragedy.

The world's largest Our Lady of Guadalupe statue overlooks this Ohio sanctuary.

The failure of one component toppled this entire bridge during rush hour.

This park pays homage to the region's rich industrial history of brick making.

The site of the worst mining disaster in Ohio's history.

Constructed in 1882, this jail once housed local inmates and the sheriff's family all under one roof.

A bronze monument to Cleveland's favorite, fastest son.

A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

This unincorporated community in western Ohio got its peculiar name from John "Daddy" Baker.