The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

The world's oldest surviving anatomical theater, where "the dead are pleased to help the living."

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

Giant, friendly pelicans in Central London, the most unlikely of places.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Rebuilt remains of a temple to Roman god Mithras.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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

After protestors toppled a statue of a 17th-century slave trader, the pedestal where it once stood remains unoccupied.

This Grade II Listed Building with an Art Nouveau façade once contained a unique print shop.

An unusual artwork dedicated to a unique man that entertained people visiting Cambridge while raising money for charity.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

A circle stone within a stone circle.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

Budapest's Communist-era statues, banished to the suburbs.

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

One of the largest barracks of the Austro-Hungarian monarchy's military is now an abandoned ruin.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

This sculpture honors the man who was known as the "Righteous Among the Nations."

A hugely vast Irish landscape of barren rock that stretches for miles.