The fountain marks the area where hundreds of accused witches were burned at the stake.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Come for the flowers, stay for the bats!

Three-story concrete ram with a permanent gift shop.

This public art is inspired by a local Aboriginal creation story.

These flying foxes dangle from the trees around the library like fuzzy black fruit.

An epic sculpture depicting a wagon and straining oxen.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

This spot along the 23.5 degree north parallel marks the northern boundary of the tropics.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

Along a coast that sees the annual migration of humpback whales, a geological formation that takes the shape of a whale’s tail.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

This feat of Brutalist architecture is also known as the Three Sisters.

A misnamed well, with a deep dark past.

A museum dedicated to the former country.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A pair of connected skyscrapers form this symbolic gateway.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.