In 1396, two Scottish clans that had been violently feuding for centuries finally faced off in a bloody battle in this park.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

An abandoned lighthouse off the beaten path, one of the few surviving pre-World War II Japanese structures, offers a beautiful view.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

This striking landscape in northern Vietnam contains both geological and archaeological wonders.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A bit of retro transportation flair preserved in the world's largest department store.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

An art deco ice cream shop covered in vintage train station tiles.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

The relics of one of Jesus' 12 apostles are enshrined in this Italian Basilica.

An Italian vineyard invites religious pilgrims to stop by 24/7 to get their drink on, for free.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

The ruins of an abandoned cemetery are among the last remnants of the old village of La Boulaye before a wealthy landowner had it relocated.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

A large collection of motorbikes with some impressive gems.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

A huge work of Burning Man-inspired outsider art on the grounds of a California winery.

A national collection of Communist-era musical posters.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

A tree that defies gravity grows in an ancient ruin.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

The Grand Canyon of Texas.