No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Fulham F.C. imploded once everyone excised its giant, hated tribute to the King of Pop.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.

Have a seat with the father of modern computing at this Manchester monument.

A tiny, hidden alleyway dedicated to the father of meteorology.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

Legends say that this small island was the final resting place of the Welsh saint of lovers.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Britain's oldest and biggest hole in the ground.

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

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

The longest and tallest aqueduct in Britain can actually be sailed across.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This stunning concert hall has become a symbol of Iceland's national recovery.