One of Hungary's most influential places of learning is also home to one of the world's most beautiful libraries.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

A fake Transylvanian castle houses a cathedral of antlers.

Ruins of two abandoned stations destroyed by the power they sought to harness.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

A 200-year-old prison that now houses a peculiar crime museum.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A 18th century graveyard and its astonishing cortege of macabre iconography.

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

Cold war icon and onetime "hole" in the iron curtain.

When German-Iraqi relations broke down, this embassy was vacated post haste.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An eerie, derelict amusement park in Berlin.

Museum dedicated to the terror regimes of Hungary.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

The first museum in the world devoted to sexual gadgetry.

Thousands of volcanic rocks carved 1,000 years ago.