Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Considered an architectural abomination by some, this metal-clad building is known as 'little red riding hood' by locals.

An eerie fountain commemorating the death of a boy that sparked a small war in the 19th century.

A Serbian church lit by chandeliers made of weapons.

A misnamed well, with a deep dark past.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Arguably Belgrade's only example of pure Art Deco architecture.

Belgrade’s oldest restaurant has a rather unusual name.

This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.

In the hinterlands of Serbia's capital, a giant reflective mushroom houses an aeronautical history of the former Yugoslav republic.

Look up from the busy streets to discover how time is kept!

A 15th-century whalebone is tucked away in an unassuming corner of this medieval church.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

This church is said to have connections to the Knights Templars.

A miniature version of the ship that took John Cabot from Bristol to Newfoundland.

A rare specimen of the ancient piggy bank of Java resides in one of the unassuming corners of the Ashmolean.

World War II air raids over Bristol dislodged this fragment of tram line that ended up embedded in a churchyard.

Perhaps the most obscure, simplistic Banksy installation found in Bristol or in the entire world.

A cornucopia of gargoyles adorns the oldest portion of Oxford’s Magdalen College.

A beautifully rebuilt windmill from the 17th century, situated along the Amstel River.

This mysterious pyramid is said to be part of a complex web of occult and Freemason symbols.

This educational institution and reference library specialize in the psychic arts and mediumship.

Historic cuisine meets fine dining in a hotel-restaurant overlooking Hyde Park.

This public observatory is home to the "celestial cannon," the longest pointable telescope in the world.