The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

A series of idealized caves carved to entertain guests.

WWII artifacts, including the building itself.

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

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.

A churchyard in Ardsley houses a memorial dedicated to the victims of England’s worst mining disaster.

This wonderful rock formation constitutes the first geopark in Uruguay.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

The final resting place of soldiers' loyal canine companions.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

A sweet symbol marks the place where torturous executions were once carried out.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

Largest lake in Great Britain measured by surface area.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

These abandoned salt flats are now a haven for wildlife.

A creepy tree with a local legend that inspired a nearby theme park ride.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

This quaint funicular has been ferrying people up and down an English valley since the Victorian era.

This network of narrow, medieval passages has the most delightful name.