This sprawling, Brutalist estate feels like a city within a city.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

This public amphitheater was once a key part of Monaco’s defense strategy.

The pub has been in operation since 1819 on the banks of the Clyde.

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.

Wander down a side street dedicated to one of the members of the Beat Generation.

A storied London perfume shop that supplies scents for royalty has been operating out of this storefront for nearly 300 years.

The oldest surviving “eel, pie, and mash” shop in London is renowned for its infamous jellied eels.

A remarkable feat of Victorian engineering across the Firth of Forth.

Inside a London bookstore, a fireplace that once belonged to the illustrator responsible for a famous set of tarot cards.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

There's something in the air as history repeats itself at this museum dedicated to the Swedish pop band.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

Rejoice at Amsterdam's ‘pop temple,’ a former church reborn as a raucous music venue.

A narrow strip of land is home to the tallest migrating dunes in Europe.

Known locally as the Jungfrutornet, this Medieval tower hides a dark legend.

Christ's blood allegedly preserved in a Belgian town.

An abstract monument to a symphonic composer.

A subterranean house of worship carved right out of the bedrock.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.