This unusual elevator doesn’t stop or slow down.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

A lovely biographical museum in the artist's home of 24 years.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

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

Christ's blood preserved in a Belgian town.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Brussels' favorite peeing boy has a sister.

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

The world's longest and deepest train tunnel.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

This Italian foot path winds through the mountains via 52 individual tunnels.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

These elaborate gothic monuments honor Verona's medieval lords.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

A sculpture serving as an homage to Pope John Paul II.

These medieval skyscrapers dominate the skyline of this small Tuscan town.