The granddaddy of English geoglyphs dates back to the late Bronze Age.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Largest lake in Great Britain measured by surface area.

Fascinating town where normal life interfaces with the occult.

Catacombs turned marketplace.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

A cluttered and astounding collection of antiquities and curiosities.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

A fantastic castle rumored to be the birthplace of King Arthur.

Famously misunderstood wonder of the ancient world

A hidden subterranean installation offers a view of the sky.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

San Francisco's newly reopened hands-on science museum.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A 300-ship graveyard, with a few still visible at low tide.

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

A huge musical instrument played by the ocean.

Reverend Franzo Wayne King administers spiritual enlightenment through the music of the jazz legend.

The remains of a ruined mansion memorialize the 1906 earthquake.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

An essential stop before plundering, BYO Cutlass.

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

World-famous, Pink's still manages to keep its prized cult fetish status.