Menacing or in memoriam, the Silent People and their meaning are left to interpretation.

The remains of a monument in the remote Kazakhstani desert dedicated to the only men to die in outer space, the crew of the Soyuz 11 rocket.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

Here be dragons.

A wonderfully kitsch bookstore the size of a supermarket.

Admire endangered plants in a verdant garden that looks straight out of a Monet painting.

One of the most detailed and historically accurate collections of Ugandan artifacts depicting Bahima tribal history, culture, and daily life.

A unique tribute to the millions of animals who served and died for the British military.

The final resting place to 300 Victorian-era pets hides inside the city park.

Giant granite sculptures representing family on the northern coast of Spain.

This enchanting natural park is a magical example of a temperate rainforest in Europe.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

This king penguin is a knighted brigadier of the Norwegian Army.

Outside a market, beautiful murals pay tribute to fruit sellers and farmers, as well as a few legendary artists.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

A 14-foot monument marks the resting place of two of the town's earliest residents—and one unknown soldier.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

The oldest of only three existing statues of the great novelist stands in a city he did not care for.

This multi-level, aqueduct-footbridge hybrid is one of the greatest works of the Spanish Renaissance.

A mysterious medieval monument said to mark the final resting place of Robin Hood’s henchman.