The iconic remains of the original Academic Hall that burned down in 1892.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Mummified monks and the accidentally interred, in a 17th-century crypt.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

These pretty kitties killed and ate as many as 135 railway workers.

To find the "unicorns of the deep" you've got to go downstairs.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

This unattributed sculpture in Amsterdam is hiding in plain sight.

This dockworkers' lunch joint has been left leaning by a century of storm floods.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.