This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Something's watching you.

Cathedral-like Victorian vaults are hidden within this iconic bridge.

Romania's triumphal arch looks out over Bucharest.

A harrowing sculpture commemorates the four people shot down during the workers strike of 1842.

Everyone's favorite clay duo immortalized in bronze.

This Bronze Age boat was found buried remarkably intact in an English gravel pit.

The longest stone bridge in England has an impressive history that dates back over 700 years.

This home of a taxidermy hoarder is among the grandest and most singular of historic English estates.

A humble ancient well where Scottish knight, Sir William Wallace, took his final drink.

A 19th-century Neoclassical building now housing a Hindu temple represents modern-day Glasgow at its most multicultural.

Glasgow's oldest pub has a proud literary tradition and possibly a ghost or two.

This colorful mosaic remembers one of Britain's most deadly peacetime fires.

A baffling beast so absurd a town councilman called it "intellectual vomit in technicolor."

A ceramic postbox where visitors can post original poems and creative messages.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

This ordinary-looking rock may have played an important role in a 16th-century Scottish battle.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

This museum in San Francisco's Chinatown is one of the oldest and largest archives of Chinese American history and culture.

The arching stretch of London's longest street holds many reminders of the area's maritime past.

This medieval church tower has maintained its clockworks since the 16th century.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

This unassuming building produced some of the world's most famous bells.