Trinkets and toys lovingly handmade by maximum security prisoners.

A nature and outdoor art preserve features the large-scale, abstract works of a renowned Maine folk artist.

Maine’s only official memorial to the Underground Railroad.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

The largest tidal whirlpool in the Western Hemisphere.

This super steep hike ascends 2,000 feet in less than a mile.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

The massive machine creates cracking displays of indoor lightning.

This landmark cemetery in Boston was created more than 300 years ago.

Narrowest house in Boston.

Beautiful steampunk ghosts of early Massachusetts.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A beautiful Victorian-era cemetery, complete with a miniature village.

An enormous, inside-out glass globe built in 1935.

Millions of numbers carved in glass represent the tattoos forced upon victims.