A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

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

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A scattered trail of street art adds a pop of color to the city's stark structures.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

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

Several land speed world records were shattered at this Welsh beach.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

A harrowing sculpture commemorates the four people shot down during the workers strike of 1842.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The first Italian factory to produce locomotives is now a marvelous museum.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.