The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Recently restored menagerie of Victorian-era beasts.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

The view that inspired the scenes of Dracula's first landing in England.

A museum wholly devoted to juvenescence.

The oldest inn in England served brew to the crusaders.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

An ancient Egyptian temple in the middle of Madrid, Spain.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

The Swedish flag over this small naval fort signals that the nation is at peace.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

This small Slovenian town has become a magnet for microbreweries.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

A long-buried ancient ruin unearthed right in the middle of the city.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

Two stone columns flank the grand Venice square, but there were supposed to be three.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

One of the world's oldest fossil exhibits is on display in a beautiful antique "naturalienkabinett."