Light still pours into the ruins of this ancient Islamic observatory.

Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.

A bizarre house filled with an astounding array of collections.

In the shadow of the Sydney Opera House, Indigenous ingredients shine.

Come for the flowers, stay for the bats!

A tiny village church in dramatic surroundings.

Iconic pyramid from famed British architect Norman Foster designed to represent all of the world's religious faiths.

A sober museum housed in the original administrative building of one of Stalin's largest gulags.

A Stalinist prison camp for the wives and children of men accused of betraying the Soviet state is now a memorial museum.

Rusting ships sit in a desert where a sea used to be.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

In Kazakhstan, a colorful cathedral with many lives once survived the most powerful earthquake in the region.

Beatlemania is still going strong... at least in Kazakhstan.

Nicknamed Kazakhstan's Grand Canyon, this natural wonder lies east of Almaty near the Chinese border.

Mysterious spherical rocks in the semi-desert of western Kazakhstan.

A 125-meter long "tribute to the Brazilian people."

Brasilia's oldest newsstand is sheltered by a wish-granting tunnel-tree.

A stunning Catholic cathedral built by a curve-loving communist in Brazil’s newly created capital.

A historic and beautiful Art Nouveau chamber in a historic railway station.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Steadily reminding Czechia of its past.

The hidden lair of an alchemist rediscovered in a 2002 flood.

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