A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A student driver's nightmare.

One part local history, 99 parts gruesome haunted house.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The bullet-banged DIY suit of armour belonging to Australia’s most famous outlaw.

Pilgrimage site for star-crossed lovers.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Monsters and miniatures are held in equal esteem at this wondrous museum.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This luxury shopping lane has been protected by its own tiny police force for over a century.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

Eighty million natural history specimens call this gargantuan museum home.

Catacombs turned marketplace.

A museum wholly devoted to juvenescence.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

If your school was decorated with trippy graffiti, served ambrosial coffee, and was frequented by mimes, it might have been similar to this groovy cafe.

An incarceration museum on the spot of possibly the oldest prison in England.