The 1,000-year-old abbey is the birthplace of modern musical notation.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

Great Britain's only hat-making museum.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

A Swiss board game museum housed inside a picture-perfect castle.

Hear the quietest sound from across the dome.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

On the shores of Kyrgyzstan's Issyk-Kul Lake, a family cooks a feast that tells the sad tale of a people's exile.

This museum is dedicated to one of Russia's greatest explorers.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

This propitious plastic porcine has been petitioning park visitors to pick up after themselves for more than 50 years.

Unannounced visitors are now welcome at the site of the largest Prohibition-era bootlegging operation in the region.

The headquarters of the Audubon Naturalist Society is a small slice of heaven for nature lovers.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

The wooded estate of the Forest Service employee responsible for D.C.’s cherry blossom trees.

This grove was planted more than a century ago by the War Mothers of World War I.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones' Locker.

Two dozen pinball games hidden away inside a most unlikely location.

This abandoned sea fort has become an accidental bird sanctuary.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

This fantastical waterfall is hidden in a cave located in a cracked cliff.