Forlorn amidst a thicket mere feet from a cliff's edge stands a solitary headstone that appears completely out of place, a haunting symbol of a once-thriving town now lost to the relentless forces of nature.

A village on the east coast of England that has almost completely eroded into the North Sea.

A 17th-century church is nestled within the walls of a 15th-century ruin.

This 15th-century fortification was built to defend bunnies.

A mysterious crater-like pond has a spooky tendency to empty and fill with complete disregard to rainfall patterns.

This unusual 7th-century Frankish seal offers more questions than answers about its past.

Abandoned limestone cave was once a sacred place of worship.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

An underground city of salt.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Elevated freight railway turned wildly successful urban park.

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

This stream-carved gorge has inspired poets, hidden smugglers, and trained soldiers, all without losing its beauty.

The UK's oldest theme park slowly slips away.

The Last Home of an Executed King.

This pub can leave even the sober feeling slightly unsteady.