Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A tall karst islet popularized by 007.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

An abandoned relic of the city's failed experiment with below ground transit.

Where beautiful signs live on forever.

This magnificent Cincinnati graveyard is also a popular public park.

Iconic red and white plaques show the creative names invented to navigate the city streets.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

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

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

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."