Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The beautiful baroque library of the Hapsburg empire.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

Designed as a reminder of one of the darkest moments in Austrian history.

Dine amidst exotic plants at this former royal greenhouse.

Macabre museum devoted to historical Viennese murders.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

The widest natural waterfall in Estonia is a sight to see in all seasons.

A little sculpture with a large wardrobe.

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

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

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Brussels' favorite peeing boy has a sister.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

A charming Spanish village sits atop this natural limestone overpass.

A small church ornamented with medieval erotic sculptures.

This stop on the Camino de Santiago stands high above the underwater ruins of a medieval town.

Crumbling World War II-era gun emplacements still stand near lighthouses on the Spanish coast.

This enchanting natural park is a magical example of a temperate rainforest in Europe.

A mountain path passes by several sprawling enclosures home to a pair of rescued brown bears.

A spectacular walk on the flank of a gorge.

Stormy conditions send jets of seawater bursting through holes in the cliffs.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."