This massive work of art was designed to commemorate Burns Night and the national poet of Scotland.

Dedicated to the Father of the British Fire Service.

Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

This unassuming alcove in London’s famous Tower Bridge once served to capture, store, and display dead bodies from the River Thames.

A much-loved local landmark pays tribute to the shipbuilding past of this area.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

The world's longest continuously running show has played at this small West End theater since 1974.

Giant, friendly pelicans in Central London, the most unlikely of places.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

This crumbling coast and its teetering tower are literally filled with history, but they are also at great risk of becoming history themselves.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The only museum with its curator—and her pets—buried inside.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.