This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

The likeness of the Baltimore music icon was unveiled in time for the anniversary of his Senate hearings on music censorship.

The great American road trip, but smaller.

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

Remnants of a storybook amusement park hidden behind a strip mall.

Dedicated to extinct passenger pigeons.

Built by the patriotic residents of Boonsboro in a single day.

An industrial waste tourist attraction.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

At this farm in upstate New York, the former president plotted his reelection campaign.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.