This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

A mysterious bridge over a sunken Roman road.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

A unique waterfall that some believe attracts the fairfolk.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

The two abandoned overpasses are among the largest bridges in Poland.

Old cabin-like homes in a rural community untouched by time are known for their vibrant and colorful window shutters.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

The silly symbol for an underground protest group is now scattered around the city.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

A national collection of Communist-era musical posters.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

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

This man-made mound monument was built out of soil from all across the Polish empire.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

Real bones which are said to have belonged to a Polish dragon.

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

An underground city of salt.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Black cat statues guard this temple-like Egyptian revival factory.