An out of this world experience.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

An ancient octagonal weather station named for the eight Greek gods of wind.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

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

This semi-secret storybook hedge maze is also the oldest garden in the city.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This remarkably intact, 260-year-old cargo ship is only visible at the lowest of spring tides.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

A sculpture in a secluded garden honors one of Edinburgh's most innovative thinkers and city planners.

Canyon walls shrouded in ferns.

Terraced flowerbeds and rock sculptures in the midst of the Minnesota wilderness.

This San Diego museum, housed in a former Navy training facility, is dedicated to preserving women’s historic achievements.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

An artsy hidden staircase leads to breathtaking views of San Francisco.