Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This tiny island is home to the world's largest colony of Northern gannets.

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

Macbeth's infamous "Great Birnam Wood."

Legend says this rock was once a chopping block for public executions.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

The heads of two giant mythological water horses honor Scotland's horselord past.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

A dozen cast iron leopards stand guard along the length of Aberdeen's Union Bridge.

This effigy was crafted to annoy a neighbor after a civil dispute over a foul smell.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

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

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

Vibrant street art created with mixed media.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

Giant topiary dog once played a role in a terrorist bomb plot.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

A massive environmental project transformed this former smelter into a beautiful park.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.