The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Scattered throughout London are ancient remnants of the city's former bounding wall.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The largest of London's subterranean rivers and once a mad, bad center of London life.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

A cluttered and astounding collection of antiquities and curiosities.

The ancient tomb acts as a calendar that keeps perfect time.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

Hear the quietest sound from across the dome.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The second oldest continuously operating bar in Louisiana.

Rebuilt remains of a temple to Roman god Mithras.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

An unusual round church in London with a Templar past.

The curiosities and wonders of pharmacy in a delightful historic building.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Macabre astrological automaton clock dating to the late 1400s.

Famously misunderstood wonder of the ancient world

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.