An oasis of shade and color amidst the bustle of the old city.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

Two standing giants remain as a tribute to Luxembourg's metallurgical past.

Inside a Scottish castle hangs the tattered remains of a flag with murky origins and supposed magic powers.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

Largest lake in Great Britain measured by surface area.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

The 20-mile causeway that separates the Netherlands from the sea.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

These upturned herring boats make nifty storage sheds for fishing goods.

Considered "the most original, complete, and unimproved" circles in Aberdeenshire.

Cut into a sheer cliff face, these stairs are the only way to reach a secluded Scottish harbor.

This short white tower is all that's left of Scotland's first permanently manned lighthouse.

Now in ruins, this castle stood for centuries and saw a number of gruesome events.

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

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

The Guinness Record holder for largest hedge in the world is a verdant Scottish bulwark.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

An architectural oddity hides in plain sight on this iconic London bridge.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.