Hidden deep in a forest is this geological wonder carved by glaciers.

Crawling into this primordial cave may feel disconcertingly familiar.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

In the Hugging Tree Forest, lingonberry marshmallows, hot chocolates, and the best campfire lattes north of the Arctic Circle come to you.

Quality time with reindeer in the stunning scenery of their natural Lappish habitat above the Arctic Circle.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Menacing or in memoriam, the Silent People and their meaning are left to interpretation.

A subterranean house of worship carved right out of the bedrock.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

Enter the world under the hill at this ancient UK burial chamber.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

A sea cave with a waterfall and Viking past

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

These ruins witnessed the final gathering of the failed Jacobite Rebellion.