A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This whimsical winery by Antoni Gaudí looks ripped from the pages of a fairytale.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

These rustic holiday homes are made from discarded fishing boat hulls.

This building’s ghostly exterior reflects its former lives as a prison, school, and funeral home.

The first (but not only) upside-down house in Germany.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

An eclectic mix of influences rot together in harmony in this India necropolis.

Rock-cut cave complex filled with ancient Buddhist artwork.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

An extraordinary "City of Caves" carved from solid stone.

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.

Centuries-old bridges grown from tangled roots.

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.

Six beautiful wooden giants are hidden around Copenhagen.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

This sublime architectural marvel is a rare example of an expressionist church.