A quaint medieval harbour where Benjamin Franklin landed in 1776.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

This garden houses the remains of the ancient Greek port of Marseille.

Former bridge turned into an observation tower.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

A tunnel with windows, so you don't miss out on the impressive views.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

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

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

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

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.

This museum houses an imposing skeleton army comprised of creatures great and small.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's most famous cemetery, with some of its most curious tombs.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

It's safe—and permitted—to walk across these twin natural sandstone arches.

The celebrated eyesore created by starry-eyed sweethearts.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

This museum preserves over-the-top masterpieces that once qualified artisans for membership into a medieval guild.