The ornate structure is part of a building boasting more marble than the Vatican.

The final resting place of a poisoned lover whose death was at the center of one of Glasgow's most sensational murder trials.

An angelic, yet demonic-looking figurine presides over one of Glasgow's most ancient streets.

This neon sign is an homage to an Alfred Hitchcock film.

Now in ruins, this castle stood for centuries and saw a number of gruesome events.

This modern labyrinth lies in the shadow of a ruined medieval castle.

These unique weather vanes honor Scotland's most famous bard and decorate this walkway.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

If you fly into Edinburgh Airport, it's possible to spot this prehistoric site without even getting off the plane.

This striking, historic hotel has major Wes Anderson movie energy.

According to the local First Nations folklore, this rock was once a man.

Since 1929, this institution has been serving one of the most celebrated po’ boys in New Orleans.

These structures serve as a memorial to one of Boston’s most ambitious and controversial urban redevelopment projects.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

This colorful statue welcomes visitors to a Barcelona park.

An early 20th-century bullring converted into a modern shopping center.

Of course Salvador Dalí lived in a castle...

A historic structure inspired by Roman, Muslim, and Jewish bath houses.

Designed by Gustave Eiffel before his famed tower.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Saint Joseph was said to heal the deaf and blind, but it was a much smaller miracle that got him canonized.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.