A memorial for an outsider theorist who believed that the planet is actually hollow.

A relic of Victorian grandeur hides beneath a busy South London road.

King of the Saxons on top, Roman goddess of wisdom on the bottom.

A Nile crocodile, a historic symbol of apothecaries, is among the fascinating collection.

The famous red-and-white Campbell's Soup label beckons hungry passersby in Ohio.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

A lavender labyrinth so large it’s visible on Google Earth.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

This Underground station has been a popular filming location for decades, even before it closed.

This simple highway curve has become a comedic pilgrimage site.

This private residence was the template for one of the most beloved television homes of all time.

A building-sized painting of the renowned 19th-century American abolitionist.

Classic burger joint that’s been serving up sliders since 1952.

Miners in Michigan developed a taste for Cornish beef pasties, which this roadside stand has been selling since 1947.

Flaunt your karaoke chops at this pitch-perfect dive bar.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A sculpture in a secluded garden honors one of Edinburgh's most innovative thinkers and city planners.

In 1857, the Mardi Gras parade tradition began at this intersection.

This blue plaque memorializes the first person to be murdered on a railway train.

Tucked away in a London Tube station, this 1920s linear clock shows the time across the world all at once.

This site was once home to Henry VIII and Elizabeth I.

This marker tells the story of a town’s toxic past.

An eerie natural formation that looks right back at you.

Located outside Medellín, this Colombian park focuses on conservation and sustainability.