The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The unexpectedly beloved remnants of a controversial thermal power plant.

An early 20th-century bullring converted into a modern shopping center.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

For one day every month Barcelona's Estació de França transforms into a market for model trains.

A bookstore dedicated to the intersection of comedy and art.

This abandoned church in central Lyon is missing its front stairs.

Putting the "mod" in "modular" since 2000.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

The last four extravagant street signs of London's historic banking street.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A domino effect created with Britain’s iconic telephone boxes.

Pop culture has helped to keep this iconic British building from being destroyed.

Artists and musicians now rule over this former rail station.

Remnants of a Victorian garden feature sitting in public woodland.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

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

This mural painted by Keith Haring was done without payment as a gift to entertain the children at the Hôpital Necker.

What looks like a normal building is really a hollow facade hiding a subway vent.

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

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.