One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Hidden on a cattle ranch in Arizona, this bookstore has been celebrating Southwest literature for more than 40 years.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

A house carved into a rock in the 1940s.

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

A colorful architectural gem in Seattle’s uniquely modern Central Library.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

This café is dedicated to serving coffee roasted by Native American-owned companies.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The last remaining houses of a bygone world immortalized by John Steinbeck in his novel “Cannery Row.”

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The world's most active stratovolcano is almost always erupting.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.