Once the path of a railway tunnel, now home to thousands of glowing insects.

The wooden sculptures are studded throughout a small New Zealand town.

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

An artistic garden environment of tile mosaic sculptures.

New Zealand's only running funicular railway.

This rare effigy of the author spent years lost in storage.

Before Nixon, "watergate" meant canals.

These abandoned waterworks are crumbling into the Potomac River.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

A retired subway car stands alone in a field in the middle of Queens.

A solitary lighthouse in Spain was an inspiration to the great Jules Verne.

A contemporary art installation housed within a Gothic cathedral.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

This spectacular bridge is part of an abandoned train line that once connected Mallorcan capital to the southeastern coast.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

An eerie, decaying ghost town destined to fade into the forest.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A quick and simple solution to Cambodia's train woes.

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.