Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

The remains of centuries of copper mining appear like an alien landscape.

This mural honoring a drowned village has become a symbol of Welsh pride and patriotism.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

At the United Kingdom's only residential library you can sleep among the books.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

A 90-acre park on former landfill that hosts an annual kite festival.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

The most beautiful Taco Bell in the world even has surfboard parking.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

Golden Gate Park's historic collection of plants.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A winding path built in secret on the edge of the continent.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Only hotel where you can legally launder money.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.