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

One of the most poignant ruins of the Chernobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

A charming Spanish village sits atop this natural limestone overpass.

A kaleidoscopic warehouse-maze of handmade neon signs.

Plymouth's huge yet little-known memorial to the Pilgrims.

A hidden three-foot-wide house separates these two regal churches.

Black cat statues guard this temple-like Egyptian revival factory.

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

Follow the original medieval paths that wind through this intriguing section of the city.

Antique cinematography artifacts fill this museum dedicated to the inventors of the moving picture.

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

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

An abandoned tower once used to study the cosmos hides within a thicket of greenery.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

This gorgeous space is England's largest independent library outside of London.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

Huge winged monument in the United Kingdom.