The atmospheric road was never meant to be so creepy.

The name Niarbyl means “the tail” and refers to the rocky formations that push out into the Irish Sea.

Believed to be the former location of one of the earliest Viking assemblies in Europe.

This unique rock formation has become a popular walking trail.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

The remains of the wrecked steam trawler can be found on the beach at low tide.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Rebuilt remains of a temple to Roman god Mithras.

The world's largest collection of witchcraft regalia.

Catacombs turned marketplace.

Famously misunderstood wonder of the ancient world

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A massive observation tower that features gorgeous views and unique architecture.

Switzerland's oldest public observatory is an important part of the Zurich cityscape.

A treasure trove of scientific instruments from the 17th and 18th centuries.

A monument to peace, built by one man over the course of 25 years.

This little museum is packed with information about the region's past and present biodiversity.

This medieval footbridge in the Swiss Alps is known to attract cliff-jumping daredevils.

The Swiss hilltop housed an early 20th-century vegetarian nudist colony.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

Natural history museum displaying a famous taxidermied St. Bernard.

This unique preservation is one of the only taxidermies in the world made with real whale skin.

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.