Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

A canvas of crops grow from vibrant red soil in this terraced farmland.

It might not be the prettiest pyramid in Egypt, but it may be the muddiest.

The largest known Ancient Egyptian obelisk.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

An alien landscape of chalk-rock in the Egyptian desert.

Brightly painted boulders scattered throughout the Sinai Desert.

Ozymandias’ time-keeping temple.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

An ancient city exhumed from the depths of the ocean.

Village of slate houses, built on a white marble outcrop.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.

More than 100 monumental tombs carved into rock are preserved at this ancient Nabataean site in the Arabian Desert.

An unfinished tomb carved into a giant boulder in the Arabian Desert.

The most alien-looking place on Earth.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

Centuries-old bridges grown from tangled roots.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

These delicate ruins need more tourists to keep them from fading away.

Death rituals and sacrifice inside a Peruvian megalith.