On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

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

A pagan tradition of draping trees with rags eerily lives on.

A remarkable feat of Victorian engineering across the Firth of Forth.

A 200-year-old collection of oddities and medical paraphernalia.

Large-scale contemporary artworks tower over fields and lurk in forests around a Jacobean manor house.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

Huge winged monument in the United Kingdom.

This single-track road rewards brave drivers with stunning Scottish scenery.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

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

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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