It reportedly took three years to sort through all the objects in this eclectic lifelong collection.

A small museum packed with specimens from important fossil sites and minerals from historical pegmatite quarries.

Over 400,000 birds spend their summers nesting on this small Arctic island.

Eighty million natural history specimens call this gargantuan museum home.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

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

Behemoth, cannon-like telescope operated by generations of Irish earls.

The home of Ireland's last leprechauns is officially protected by the European Union.

Wander among the abandoned ruins of this once-powerful medieval town.

17th century palace once a meeting place for politicians.

Climbing to the top of the cathedral's bell tower offers sweeping views of these medieval ruins.

The ancient Greek Titan guards this massive dam holding a lightning bolt to symbolize electricity.

Packed to the ceiling with antique taxidermy and hunting arms.

A Romanian church built from one single oak.

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

A stunning 18th century pharmacy and medieval chemist's collection.

Gigantic Romanian salt mines used to heal respiratory conditions.

Romania's only crater lake with water as pure as if distilled.

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

A muddy alien landscape that is home to rare species of exotic plants.

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.

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

This once-derelict building is now one of the most beautiful bookstores in the world.