A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

These morbid carvings remind churchgoers of the inevitability of death.

A curious collection of mechanical moving figures.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

A remarkably well preserved tower dating all the way back to the Iron Age.

A 200-year-old prison that now houses a peculiar crime museum.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

England's most notorious suicide spot.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This crumbling folly looks like an enchanted left over from Middle Earth.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This coffee shop lies hidden beneath a historic church.

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

Two plaques commemorate the site of Shakespeare's first theatre.

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

Public access to clean drinking water was an instant hit among the masses.