Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

A close look reveals that the Scottish monument is just slightly off-kilter.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

360° views of the city plus five floors of optical illusions and hands-on science.

The final resting place of soldiers' loyal canine companions.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Stroll through Welsh history in a village of reconstructed structures.

A museum dedicated to the history and exploration of both popular music and science fiction.

A giant Troll lurks under one of Seattle's oldest bridges.

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

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.

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

Naturally formed rock city in Poland.

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

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

An underground city of salt.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

A historic lighthouse steeped in rumors of ghost and pirate stories.