This spectacular bridge is part of an abandoned train line that once connected Mallorcan capital to the southeastern coast.

An ancient water supply dating back almost 500 years can still be found standing in East Sussex.

The bones of two medieval royal lions were discovered at the historic fortress.

Ancient ruins hidden underneath a modern luxury hotel.

This giant temperature attraction created some giant electric bills.

Thrilling and delicious complement to any dining experience.

You won't find these curiously named passageways anywhere else in England.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

This partially reconstructed Aztec pyramid gives a glimpse of what its larger counterparts would have looked like.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Many famous English poets including Elizabeth Barrett Browning are laid to rest at this Swiss-owned cemetery in Florence.

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.

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

Decorated by local artists, the city's utility boxes have become three-dimensional canvases.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

The blinking light atop the iconic landmark has been sending secret messages for decades.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.