This steep slide at a kids’ playground went viral after an police officer tumbled down it.

A mysterious stone embedded at the base of a historic Boston building.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

This former football stadium seems almost abandoned but is still in use by the next generation of Scottish sports stars.

One of the first monuments dedicated to the accomplishments of the great Vice Admiral, Horatio Nelson.

A warning against "the demon drink" adorns the northwest entrance of Glasgow Green.

A magnificent tomb that was the final resting place of the Dukes of Hamilton.

This museum offers a glimpse into early 20th-century Glasgow life.

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

Glasgow's oldest pub has a proud literary tradition and possibly a ghost or two.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

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

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

These carved medieval "mercy seats" are among the finest in the world.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

Pivotal in the research of early British Bronze Age life, found near Stonehenge.

This gate served as a small lock-up jail in the 14th century.