It houses the remains of a 17th-century version of the Titanic.

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

Where Venice's gondolas go for a tune-up.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

Pilgrimage site for star-crossed lovers.

Go inside to really appreciate this 500-year-old technological masterpiece.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Giant marble phalluses on the sacred island of antiquity.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A small island dotted with old, historic Finnish buildings.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

A subterranean house of worship carved right out of the bedrock.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Steadily reminding Czechia of its past.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

"Holy Wisdom" overlooks the city that became its namesake.