A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A terrific purveyor of natural history objects and curios.

An alien landscape on the banks of the Aegean Sea.

Monasteries on rock pillars, once accessible only by frayed ropes.

This magnificent 18th-century hall consists of a maze of nearly a thousand interconnected passages.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

These roaring primates were considered a divine creature in the cosmology of the Maya.

The wilderness of northern Sweden is full of shelters to protect people from sounding rockets returning from space.

You can swim in these highly salty, mesmerizingly blue lakes in the Atacama Desert.

Along a rail-biking route, giant insects house a two-story restaurant.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

This mechanical clock performs "Romeo and Juliet" in a Shakespeare-themed New Zealand town.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A small, but award-winning beach known for its literally spotless reputation.

Legend says entire herds of cattle have disappeared within this boulder-strewn landscape.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.

One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."

From Nunavut to Tierra del Fuego, you won't find any lighthouse higher than this one.