Send a postcard while vacationing with Satan.

A massive maritime collision may have led to the myth of a resort island's strange financial status.

There is one corporation registered for every three square feet of space in this inconspicuous office building.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A sculptural commentary on capitalism pokes up from the East River.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This former coal gasification plant found a curious second life as a popular public park.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A bit of retro transportation flair preserved in the world's largest department store.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Yo, Adrian!

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.