Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A man-made island fort that has housed soldiers, scientists, and ravers.

The world's tallest statue of a woman wields the world's tallest sword and is at risk of toppling over.

An abandoned town of skeletal wooden homes.

A scale model of Russia so big visitors are offered binoculars to rent so they can see the whole thing.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Despite being tiny and rural this Georgian airport looks like a sci-fi boondoggle.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

Vibrant street art created with mixed media.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A small, emotionally charged room inside the Mario Testino Museum dedicated to Princess Diana and one famous photo shoot.

This small oxbow lake has rare giant river otters and some Seussian-sounding birds.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

This remarkably well-preserved Incan city managed to survive the conquistadores.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Home of controversial poet priest who penned the words for the Austrian national anthem used in the 1930s.

Handsomely crafted representations of our round planet.