This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Where America's first doomsday cult awaited the end of the world.

World's first "penitentiary," meant to be humane, drove men insane.

The eroded core of an ancient volcano is now accessible by a short hike.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The history and future of cannabis.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

A hugely vast Irish landscape of barren rock that stretches for miles.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

A spectacular hidden beach in Ireland has the dark, disturbing nickname of "Murder Hole Beach."

A moody and picturesque riverside ruin overgrown with vegetation.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

The most powerful waterfall in all of Europe.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

Transport yourself to the 1980s era of video games at this themed restaurant and bar.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

A 20-meter (65-foot) robot towers over Tokyo Bay.

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

Stonehenge has nothing on Castlerigg’s views.