This colossal couch is an unlikely monument to Europe's first female Doctor of Law.

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

Tragedy on Little Brewster Island memorialized.

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

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

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

A men’s restroom became a sandwich shop.

The cave where two British judges hid in exile after sentencing the king to death.

The unusually large seat sits atop the base of a ruined temple.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

The center of Stockholm can be found along this quiet street.

A grave surprise in the downtown area of New England's second-largest city.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

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

This historic railway museum may have lost its passengers but not its love for trains.

An abandoned Depression-era zoo hidden just off the highway.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

Ruins of a historic medical facility sits eerily by the water.