A plaque memorializes the Boston location of one of the largest nightclub fires in history.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

Painstakingly built dioramas sit unnoticed in a Boston office building.

Twice a day, the water of the Petitcodiac River flows upstream in a surfable wave.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

The world's largest reflecting pool is just two centimeters deep.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

The highest point in Washington state is a volcano covered in glaciers.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Mysterious stone tower featured in many alternative histories of the New World.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

Three prestigious academic collections come together to create a world-class natural history museum.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.