On the side of a Virginia highway, a collection of monuments commemorates an 18th-century trek through the Blue Ridge Mountains.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

A tiny metropolis resides inside this student housing complex.

These stones date back to the 3rd or 2nd millennium B.C.

This fortified L-shaped tower is the ancient seat of clan Hannay.

A replica of a 17th-century map of the stars stands in the courtyard of a Belgian university.

The site of the world's first modern seismometer.

A tribute to smugglers and the Butter Wars.

Banished from town, this local jester concocted a clever return.

This monument pays homage to a classic Dutch tune.

No other place in Scotland has such a high concentration of prehistoric carved stone surfaces.

An amazing model of a whale's jaw bone pays homage to the region's seafaring traditions.

A tribute to a child prodigy who died way too young.

The departure point for the first return flight across the Atlantic.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

Atop this arch, during the 16th-century, a sermon was given to those suffering from plague.

These plaques located in a court preserve a small piece of Edinburgh's history.

This statue stands as a message against the ills of Apartheid.

A Paisley park where little has changed since its early 20th-century creation.

For a buck, students can snag freshly picked apples grown in the university orchards.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

A fascinating community art piece created by students, teachers, and noted Philadelphia artist Isaiah Zagar.

In the Scottish Highlands, this 13th-century castle ruin is hidden at the end of a farm track.

This artificial lake surrounded by Brutalist architecture served as a stand-in for futuristic Britain in Stanley Kubrick's 'A Clockwork Orange.'