The widest natural waterfall in Estonia is a sight to see in all seasons.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

The oldest continuously operating pharmacy in Europe.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The site of slaughterhouses that once satisfied Parisians' taste for horse meat is now home to a park and book market.

The celebrated eyesore created by starry-eyed sweethearts.

One of Jeff Koons’s largest sculptures and his first commemorative work.

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

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

This recessed garden protects thousands of mountain plants by creating its own microclimates.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

This Parisian gem is one of the most incredible ethnographic museums in the world.

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

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

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

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

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

Noirish green neon marks the location of one of the oldest private detective agencies in France.