These five Art Deco homes were meant to solve the "small house problem."

This wildlife trust is dedicated to orphaned elephant rescue and conservation.

Drink and dine in a coral cave that's at least 120,000 years old.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Because sometimes the most efficient route from A to B isn't a straight line.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

A medieval military street hidden beneath a charming French fishing village.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

The construction of a tram line unveiled hidden remnants of the old medieval city.

Learn about the history and craftsmanship of carousels inside this museum located in a former post office.

The largest earthwork effigy in the world.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

A historic coal mine that doubles as a museum and tourist attraction.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The bears of Bern have been a city highlight for over 500 years.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

This one-room cabin where the young colonel slept during the French and Indian War.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

Destructive children, start your engines.