A wall of chewing gum moonlights as collective art.

This expansive bridge in the Canadian wilderness was originally just built for friends.

What happens when a sculptor has to find a way around a 100-year-old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

World-famous, Pink's still manages to keep its prized cult fetish status.

The largest drain hole in the world.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

Faceless white figures loom over the city from the rooftop.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Former bath house turns gastropub.

A monument to the art of slicing people open.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

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

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Narrowest house in Boston.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

A mysterious stone embedded at the base of a historic Boston building.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.