Mexico City’s smallest church, designed as a miniature cathedral and visited mainly by robbers and prostitutes.

A series of mosaics in Mexico City's Historic Center celebrate the Basque Country's "eighth province"—its diaspora.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A monument celebrating the idea of reaching inaccessible places.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

A historic presidential getaway on the continental United States' southernmost island.

These floating gardens show what Mexico City used to look during the Aztec Empire.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

Budapest's Communist-era statues, banished to the suburbs.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Once the home of a hermetic monk, this cave now houses a small church.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

On a teardrop-shaped island in the Danube, the ruins of a convent and the final resting place of a saint.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

This French cemetery houses some of the most exquisite examples of funerary art in Mexico City.

By night, this auto repair shop turns into a taquería serving up some of the city's finest al pastor tacos.