The remains of diamond fever taken over by the desert.

Natural time capsule containing an alien ecosystem.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

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

Museum preserving torture methods from the past.

Ruins of a German Castle on top of a towering stone pillar.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Rising from the sea like a stone monster.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

An Aztec snake god has taken the material form of an apartment complex.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Famously misunderstood wonder of the ancient world

Northern Ireland's Brobdingnagian stepping stones.

The first declared National Monument in the United States.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

Site of a former hidden treehouse in New Orleans.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

Monasteries on rock pillars, once accessible only by frayed ropes.