This sinkhole was created by a tragic industrial accident and continues to ravage the surrounding landscape.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

19th century tunnels burrowed under Liverpool.

A memorial to the politician who became Great Britain's first fatality to be caused by a locomotive.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

This whimsical public art installation is a unique homage to Liverpool's industrial heritage.

This aging storage facility is the world's largest brick warehouse.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

The red letters in the literary pavement leading to the library form a mysterious code.

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

Pyramid shaped monument with a tall tale attached.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The quiet field that inspired one of the most famous songs of all time.

The Liverpool street made famous by the Beatles is real.

This monumental work of art symbolizes the coming together of a previously divided city.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

Metro station with a claim to rock n' roll fame.

Cold war icon and onetime "hole" in the iron curtain.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Berlin's old airport.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".