Order cookies baked by cloistered nuns in a 400-year-old monastery.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

A tower devoted to — and modeled after — the Divine Comedy.

The grotto where Saint Ignatius of Loyola lived as a hermit for nearly a year.

A breathtaking viewing platform over the Alps.

At the United Kingdom's only residential library you can sleep among the books.

The fragmented remains of a massive public bath connected to the city's water supply.

An enormous, inside-out glass globe built in 1935.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Europe's oldest still-operational tea farm also boasts a spectacular view.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

You can row a boat through this ancient underground reservoir.

A decommissioned tube carriage within a London museum hosts a regular pop-up supper club.

A historic Christian shrine nestled within a spectacular natural cave.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.

An out-of-place grove of sequoias thrives in northern Spain.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.