The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A cheeky architectural easter egg.

This temple was constructed entirely by Roman soldiers.

The eerie ruins of this feudal fortress witnessed the execution of 60 conspirators in 1387.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Nearly four centuries after its founding, remnants of one of the oldest planned communities in North America are still visible in southern Brooklyn.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

An extensive collection of ancient Egyptian artifacts and mummies.

A New Hampshire grave with a grudge.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

This former lifeboat house now used by a funeral service was the site of a 19th-century boating tragedy.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

There's an exclusive Beefeaters pub hidden in the Tower of London.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.