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

This Roman theater was crafted into the local tuff rock and was rediscovered during the 19th-century.

A wooden rollercoaster that still delivers a thrill.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

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

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

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This bridge was constructed from the rubble of the infamous Bastille.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This saucy statue once caused outrage among locals.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

The location of the last witch trials of Italy, known as "The Salem of Europe."

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

During World War II, a number of important sculptures and paintings were moved to this castle for safekeeping.

Famous landmarks and structures from across Italy fill this miniature park.

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

The roof of this ancient mausoleum is made from a single Istrian stone weighing a massive 230 tons.