A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

This natural sea arch highlights Ireland's rugged coastal beauty.

Experience what life was like in Ireland during the Viking and medieval ages.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

A moody and picturesque riverside ruin overgrown with vegetation.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

The world's tallest box hedge is found in a delightful garden.

Explore Hull's historic Old Town by following the sea creatures scattered throughout its charmingly cobbled streets.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

This Transylvanian church has changed its denomination four times.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The romantic botanic tunnel feels like a well-kept secret.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Something's watching you.

This snug medieval lane is one of the narrowest streets in the world.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

The Natural History Museum that time forgot.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

Conspiracy theories and occult legends surround this mysterious natural rock formation.