Known as "Toronto's Flatiron."

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A huge musical instrument played by the ocean.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

A man-made island in scenic San Francisco Bay.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

This replica of the Greek structure is in the heart of Nashville.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

According to the legend, this structure was built in a single night with the help of the devil.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

One of the last functioning antique elevators in Chicago.

Hidden on the seventh floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

An eccentric park and pool.

Former bath house turns gastropub.