A brother statue swap has adorned this building's facade for centuries.

The ornate structure is part of a building boasting more marble than the Vatican.

A unique art installation located on what was once considered the widest railway bridge in the world.

A scattered trail of street art adds a pop of color to the city's stark structures.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

Tiny silver and copper fish set inside blue-green lights are like windows to the underwater world.

The famous Alice Liddell designed this memorial after losing her sons in World War I.

According to legend, a noble knight and a terrible dragon lie beneath this storied hill.

The grave of Mrs. Reginald Hargreaves, who inspired the tale 'Alice in Wonderland.'

This local celebrity earned his fame by doing a job no one else dared.

A prison with a more than 200-year history.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

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

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

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

These relics of the city's past now exist as a prominent modern feature.

Baroque celebration of the end of the Great Plague of Vienna.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

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

England's foremost purveyor of funeral furniture hasn't changed a bit since the 1960s.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.