The top monuments, buildings, and notable architecture in the U.K.

Even if you can't attend a performance, this painstaking replica of an Elizabethan theater in the round is worth a visit just to see it and learn more about the history of British theatre

The bustling heart of London's upscale West End

London's iconic exclamation point, the clock tower housing Big Ben, sprouts from the honey-hued complex of be-spired 1840 buildings where British Parliament meets (and you can attend sessions)

This faux-medieval bridge is well worth the photo stop—but you might not bother with the exhibition

A 17th century manor house in Hampstead Heath with a fabulous free art collection

A lovely square (er, circle) of Georgian architecture

A gorgeous arc of Georgian architecture

This London rail station was catapulted to fame as the location of Platform 9 3/4 in the Harry Potter books and movies

A lovely 18C townhouse overlooking Salisbury Cathedral

A 12th century tower at the heart of Oxford with city views

Nelson's body lay in state in in Thornhill's impressive Painted Hall of this vast Christopher Wren building in Greenwich

This redbrick Victorian castle is London's prettiest rail station—and home to the Eurostar to the Continent