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

The yawning maw of this pagan visage is said to bite off the hands of liars.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

This attraction was abandoned after the Chornobyl disaster.

A castle perched precariously over the Crimean Sea.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

The deepest metro station in the world.

An Art Nouveau building covered in animal gargoyles and grotesques.

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

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

A century-old tradition has culminated in a small but singular collection of feline effigies.

360° views of the city plus five floors of optical illusions and hands-on science.

A 125-meter long "tribute to the Brazilian people."

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.