A steampunk airship "floats" above Hamilton Gardens delivering plants and compost.

Referred to as "the crappiest fountain ever," this sculpture has been splashing unknowing passersby since 1969.

At the center of London’s oldest roundabout stands an obelisk that was erected in 1771, but spent several decades elsewhere.

A 15th-century whalebone is tucked away in an unassuming corner of this medieval church.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

A series of stained glass artworks that depict images of the hit TV show.

Watch butterflies take flight before you fly.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

Inside a London bookstore, a fireplace that once belonged to the illustrator responsible for a famous set of tarot cards.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

The remains of the great moral philosopher reside in a university in London.

This 19th-century pub features stained-glass windows celebrating Victorian-era “champions.”

This third-generation institution is one of the last in London that still cures its own salt beef for epic sandwiches.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

The "shampooer of kings" who opened London's first curry cafe was a celebrity in the 19th century, but is all but forgotten now.

One of the oldest cemeteries in Germany was originally used for victims of a cholera epidemic.

Ride on a fully-restored Nike nuclear-tipped missile elevator from the Cold War.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

A statue of an astronomer gazes at the sky as a tribute to Caroline Herschel.

An eerie, derelict amusement park in Berlin.

This public observatory is home to the "celestial cannon," the longest pointable telescope in the world.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.