A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

Statue of death tucked in the University of Medicine courtyard.

Prehistoric sandstone menhir with Early Bronze Age cup and ring markings, also known as Robin Hood's Stone.

A thousand year old oak tree survives in Liverpool.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Drink wine handed out through a window as part of an age-old tradition.

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

A submerged archeological park still holds the wonders of a Roman Sodom.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

An architectural oddity hides in plain sight on this iconic London bridge.

A living memorial to the trees London lost during the Great Storm of 1987.

Where condemned pirates met their grisly end at the gallows on the River Thames.

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

More than a million titles fill the labyrinthine shelves of this prestigious private library.

These ornate arches show how the course of the River Thames has changed.

This secret garden has bloomed into London's most unique hub of urban creativity.

This historic London residence was once the womb of Scientology.

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

A unique tribute to the millions of animals who served and died for the British military.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The London statue that imitates passersby.

The broken skateboards that became a poignant memorial to a murdered skater.

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