Steadily reminding Czechia of its past.

Pop culture has helped to keep this iconic British building from being destroyed.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This half-ton piece of the Alps sits at the base of the CN Tower.

The first regular high-definition TV transmissions were made from this seemingly out-of-place mast located on one corner of a Victorian-era entertainment venue.

Chemical fertilizer in agriculture's origin story begins here.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

Home of the Large Hadron Collider and the birthplace of the World Wide Web.

The World Wide Web was created in this nondescript corridor at CERN.

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

Human-made caves excavated to hide a secret society of wealthy pagans.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

The Origin of On the Origin of Species.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.