A statue based on a tragic Japanese nursery rhyme, commemorating San Diego's sisterhood with Yokohama.

A homage to the King at the hotel where he revived his career.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Amsterdam's former hotspot for public executions and dissections.

Mural fragments and various sculptures honor the longtime artist.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

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

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

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

The video game-themed street art first popped up in the French city.

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

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Abandoned Air Force base that has fallen into disrepair.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

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

The first full-scale tunnel built in America is short but scenic.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

This enormous World War II relic is one of the largest wooden structures in the world.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.