Crumbling remnants of what was once a booming town full of silver.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

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

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

Easily overlooked in favor of the wineries that dot the region, this blast from the past is equally worth the visit.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

A tribute to the furry local heroes who helped get residents through many tough times.

The headquarters in Salem doubles as an occult art gallery.

Ornate and macabre headstone in one of the country's oldest cemeteries.

The oldest living cultivated fruit tree in North America.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

A notorious Route 66 eatery once frequented by Al Capone.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

Where old school Polish Chicago and young hipster Chicago live side by side.

Beloved bar home to musicians of all eras and reputations.

Pizza with a side of fine art.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

An antiquated German apothecary on Chicago's North Side.

An enormous park-like oasis, full of famous Chicagoans' graves.