This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This small museum in a former church crypt contains artifacts of the Elephant Man, Jack the Ripper and Florence Nightingale.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

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

The magic's in the hole!

Is this the most Portland place ever?

A century-old tradition has culminated in a small but singular collection of feline effigies.

This disused Cold War bunker has been restored to all of its early 60s glory.

One of the shortest streets in York has an especially odd name.

One of the last doorless, continuously moving elevators still in use in the U.K.

One of the last remnants of the Bessemer process that revolutionized steel production during the industrial age.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

The oldest inn in England served brew to the crusaders.

The remains of Crystal Palace Great Exhibition of 1851.

The last four extravagant street signs of London's historic banking street.

Abstract dinosaur models in London.

Eclectic final resting place of the controversial explorer.

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

Home to the most complete dodo remains known - one head, and one foot.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.