The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

A statue of Charlemagne, created in the 1400s, once overlooked the city, and is now located in a crypt.

Once built to inspire young Soviet minds through astronomy, this dome now stands as a quiet relic of a vanished era.

A statue dedicated to the founders of communism.

There is a mouldering Jewish cemetery hidden away in the capital of Moldova.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

This oversized tribute to the nation's tiniest coin highlights the value of small contributions.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The most metal church of all time was built in record time because of an international, pious pissing contest.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

A hidden gem in the middle of the city's infamous Jewelry Quarter.

A collection of windows created by two of the foremost leaders in the British Arts and Crafts Movement.

A small alleyway with an unusual moniker.

This 19th-century performer's gravestone identifies her as "the smallest woman ever in this Kingdom."

A bench and a bridge pay tribute to Birmingham's favorite heavy metal band.

A gigantic mechanical bull rages over unsuspecting passengers at Birmingham’s central station.

This crumbling coast and its teetering tower are literally filled with history, but they are also at great risk of becoming history themselves.

Almost too short to be an actual street, this stretch of road maintains a unique moniker.

This forgotten chalk mine was reopened thanks to a massive effort from the local community.

Grotto replete with mystical designs laid out in glued shell mosaics.

This skewed English house has looked like it's going to fall over for centuries.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A house of bones — but nobody is quite sure to whom they belong.