One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

Famously misunderstood wonder of the ancient world

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

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

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Macabre astrological automaton clock dating to the late 1400s.

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

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

Students can borrow artwork from this gallery to display in their own residences.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

A 4,000-year-old burial site hides behind a roadside Burger King.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

This centuries-old canal known as the Cuckoo Dyke has a staircase of locks suitable for a giant.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A seaside town with no sea in sight.

The tallest freestanding structure in the United Kingdom.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom