Vibrant paintings stretch across 600 feet of derelict railway.

This original castle in Kendal is 1,000 years old.

Two minuscule windows are tucked inside this medieval building.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

It holds a fabulously designed tribute to astronomer Edmond Halley.

Designed to illustrate two parts of the human psyche.

A public art piece that barely gets recognized, but then that might be the point.

This small sculpture honors a shuttered bookshop that was the site of a fiery act of protest.

This effigy of Peter the Great is greatly disproportionate.

One of the most well-preserved mammoth specimens in the world.

The oldest church in Inverness witnessed the brutal executions of many Scottish soldiers.

The location of a citizen uprising that led to a gruesome act of mob justice.

A geothermal paradise with bubbling mud pools and bright blue hot springs.

At almost 1,000 years old, this is the oldest known door in all of Britain.

Diego Rivera's massive tiled fountain and failed infrastructure project.

You can release a young butterfly at this beautiful indoor garden.

In Chapultepec Park there is a pavilion gifted to Mexico from South Korea to honor the 1968 Summer Olympics.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

This stunning and ethereal mural symbolizes the beauty, unity, and diversity of humankind.

A fabulously bizarre surrealist sculpture by the late artist Leonora Carrington.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

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