Portraits of musicians line Oude Binnenweg, the jazziest street in the city.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

Where the lovelorn find a home for their sentimental keepsakes.

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

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

100 year tradition of fist fights, marked by marble footsteps.

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

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

Infamous and now demolished panopticon prison built by its former inhabitants.

King Carlos IV laid the first stone during construction of this chapel.

Not far from Madrid, a set of perfectly preserved trenches date back to the Spanish Civil War.

A vault of safe-deposit boxes in an old bank has been repurposed as a time capsule of Hispanic culture.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This embalmed man is one of the best preserved mummies from the Canary Islands.

Nibble as you learn about Slovenia's longstanding tradition of making beautiful honey cookies.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

This hydrochronometer was invented by a Dominican monk and is a prime feature in this garden.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

The world’s only museum dedicated to baked beans.

This extensive collection of dead bugs may be the world's most idiosyncratic and personal insect museum.

A 4,000-year-old burial site hides behind a roadside Burger King.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The largest fountain in Bratislava.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.