The sign at the garden gate reads: "These Plants Can Kill."

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

The colorful stairs are made with marble from the world's major quarries.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

This 16th-century house tells the city's history through old artifacts and quirky tales.

This enchanting hill is home to fairy lore and a sinister local mystery.

An American ghost town hides along a side street in Scotland's capital.

A sweet symbol marks the place where torturous executions were once carried out.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This colorful statue welcomes visitors to a Barcelona park.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Cat art as far as the eye can see.

A floating cat sanctuary on an Amsterdam canal.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.