Fascinating town where normal life interfaces with the occult.

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

A mere stone's throw from Islamabad exists a spectacular display of three millennia of humanity's progress.

This "floating railway" is one of the world's oldest monorail systems.

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

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

The remains of the great moral philosopher reside in a university in London.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

Giant, friendly pelicans in Central London, the most unlikely of places.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

A picturesque garden with a surprising past.

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

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

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

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

Climb around the high waterfalls on series of iron ladders and bridges within the wildest gorge in the Slovak Paradise.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.