The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The "lovely red Vega" of the legendary record-settling pilot.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

Wall after wall of this French seaside neighborhood is intricately decorated with seashells and corals.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

The man who introduced reinforced concrete to the world demonstrated its genius by using it to build his own house.

Walk through living pictures and music in the Cathedral of Images.

A French artist's vague warning hangs over Belleville.

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

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

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.

Historic medieval fortified city in southwest France.

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

Inside a former cabaret, seven floors of erotic art.

The celebrated eyesore created by starry-eyed sweethearts.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The first green space constructed on an elevated viaduct.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.