The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

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

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

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

A monumental cross hides in the trees in Golden Gate Park.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

A B&B on a Victorian lighthouse station in San Francisco Bay.

Spiral labyrinth hidden in the hills above Oakland, CA.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

At this research institute, the chile is king.

A lawless town deep in Death Valley was famous for its riches and death rate.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

Semi-recognized center of the world, with many oddities.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

Under the right conditions, rocks will move across this dry lakebed, leaving trails behind them.

All aboard the world's longest miniature railway.

Hidden in Portland’s West Hills, a 170-year-old marker literally stakes out the Pacific Northwest.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.