One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This elegant arc of a waterfall marks a religious turning point.

An encyclopedic collection of mammal penises.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

This tiny abode has been covered in the art of the little old lady who made her life and living there.

The city of Halifax still bears the scars of the largest explosion prior to the atomic bomb.

A small Australian farmhouse became an international icon after appearing on a Midnight Oil album cover.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

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

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

A fiery crater has been burning in the Karakum Desert since 1971.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

Sumptous memorial to a controversial independence.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

The "punniest place on Earth” has nearly as many bull-themed puns as it does people.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This ancient burial site is believed to be one of the first earthquake-protected structures in the world.