Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

There's an exclusive Beefeaters pub hidden in the Tower of London.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

This spectacular track has run continuously since 1882.

A giant donut stands as a popular symbol of Los Angeles iconography.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

A Masterpiece with a Tragic History.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

A museum dedicated to restoring vintage aircraft, located at a working airport.

The wooden airship was the largest flying boat ever built.

Megachurch turned Catholic church comprised of 10,000 glass panes.

This enormous World War II relic is one of the largest wooden structures in the world.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

There's more contention than one might expect from cherry pie pans.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

The unbelievably opulent home built for an infamous newspaperman.

Elaborate drama imparts an appreciation for 19th century hardships.

This Wild West attraction is alive with glitching automatons.