A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

This museum houses an imposing skeleton army comprised of creatures great and small.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Remnants of a Victorian garden feature sitting in public woodland.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Less a museum than a bizarre fantasy world created by artists and engineers.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

This charmingly homemade amusement park has been growing for 40 years.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

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

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Nondescript elevator doors open to reveal a stunning, surreal world.

Northern Ireland's Brobdingnagian stepping stones.

A little slice of Japan and its aesthetics in London's Holland Park.

A mysterious castle built as a monument to lost love.