The recurring nature of this geographic feature might make it unique in the world.

Across the islands, baked goods, sauces, and much more are for sale 24/7.

Set amid the remains of a secret WWII airfield, this barn was preserved as a memorial to Allied agents who parachuted into Europe.

This breathtakingly beautiful botanical garden is home to a mob of wonderful wallabies.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

This WWII aircraft museum presents its wrecks like taxidermy, complete with recreations of the crash sites.

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

The largest of only eight working transporter bridges left in the world.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The centuries-old obelisk may have inspired J. R. R. Tolkien.

Puzzles within puzzles hide a golden treasure in this hedge maze.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

The atmospheric road was never meant to be so creepy.

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

Northern Ireland's Brobdingnagian stepping stones.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The ruins of a medieval monastery named after a type of tree.

A faded reminder of what was once a common sight in London during the Blitz.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

The remnants of a fictional Viking village film set now serve as an educational and historical hotspot.