A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Steadily reminding Czechia of its past.

Macabre astrological automaton clock dating to the late 1400s.

This astronomical clock is the second oldest in England.

The oldest residential street in Europe also features an optical illusion.

This restaurant's specialty is "a major enigma for food historians."

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

Fascinating town where normal life interfaces with the occult.

A controversial blue hoop has been puzzling freeway drivers since 2013.

The granite head appears to be deep in thought and half buried in the ground.

Since its original beginnings as a weather observatory mountaintop, this facility played an instrumental role in gathering atmospheric data for almost 100 years.

Fossils, railroads, and waterfalls!

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

A mysterious taxidermy man-beast of the seven seas.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

This bridge provides safe passage for squirrels.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.