A famous burial ground with a history both grim and literary.

The Habsburgs' royal collections of art and wonders.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

Minimalist modern art on a repurposed military base in rural Texas.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Thousands of well-dressed mummies below a monastery.

A beautiful maze marks where three countries meet.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

360° views of the city plus five floors of optical illusions and hands-on science.

This former insane asylum now holds a pathological anatomy museum.

Take a walk in a recreation of ancient Rome.

A museum marks and documents the site of the Titanic's launch.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

An archeological treasure trove stumbled upon by a couple of children.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

A madman's personal garden filled with 1,000 sculpted heads.

What happens when you cross a mayor and a painter?

Baroque celebration of the end of the Great Plague of Vienna.

An impressive collection of dollhouses and an homage to the frog-leg canning industry.