Huge winged monument in the United Kingdom.

Derelict chemical plant on the North Sea is a beautiful industrial ruin.

Less a museum than a bizarre fantasy world created by artists and engineers.

More than 5,000 contemporary and "historic" mustards from around the world.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

Huge abstract sculptures of the Puerto Rican Flag.

Orthodox church partially financed by Tsar Nicolas II.

Former bath house turns gastropub.

Hot Doug's "Hot Dog" Stand.

Venue for strange sideshow displays and musical acts.

One of the world's longest murals depicts the history of diversity in Los Angeles.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

A church of bones, decorated with 40,000 human skeletons.

A small town Romanian cemetery filled with darkly humorous gravestones.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Romania's triumphal arch looks out over Bucharest.

Bridge that died in war and was resurected.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A second generation sun-powered marvel lights up the night.

Come crisp December nights, this fairly plain neighborhood becomes a holiday dream world.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

Real bones which are said to have belonged to a Polish dragon.

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

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).