A monument to the man who almost killed Hitler.

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

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A fascinating insight into daily life in the Eastern Bloc.

Cemetery established by the Victorians as a solution to the overflowing graveyards.

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.

The once-a-day siren is a reminder of the days before time was standardized.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

One of the last doorless, continuously moving elevators still in use in the U.K.

This magnificent mural was created with over 30,000 colored bricks.

Once a training ground for Olympic athletes, this artificial ski slope has fallen into ruin after a fire in 2012.

The largest greenhouse in the world is home to over one million types of plants.

The name of this suspended sculpture is Latin for "high horse," which is exactly what it is.

Winner of the Leeds Award for Architecture and the Environment.

Since 1995, two red-painted metal figures have guarded the entrance to the Northern Ballet.

The bizarre headgear looks like it was made for a fool, not a king.

One of three sites in England that house the National Collection of Arms and Armour.

This sculpture of Edward of Woodstock is surrounded by eight Victorian lamp bearers.

This sculpture celebrates a boules tournament and the link between Leeds and its twin city Lille.

This device was crucial to the Industrial Revolution development of Leeds.

This historic patch of real estate offers a glimpse of colonial Boston.

Millions of numbers carved in glass represent the tattoos forced upon victims.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

One of the U.K's earliest public water supplies is within the "plague village."