This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

A musical instrument played by the sea.

Artworks by loners, prisoners and the criminally insane.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

Metro station with a claim to rock n' roll fame.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

One of the oldest amusement rides in existence was a huge disappointment to its creator.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

These remarkable cascades are the jewels of Upper Tees.

This charming English house was once the home of England's most famous poet.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Helped by a surprise posthumous donation this small town toy museum features over 5,000 vintage playthings.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A little sculpture with a large wardrobe.

Cozy basement bar sports an inventory of over 2,000 beers.

A network of bells in the pubs and restaurants around Westminster alerts politicians when it's time to cast their votes.

Climb inside an iron crystal magnified 165 billion times its normal size.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.