A lavender labyrinth so large it’s visible on Google Earth.

Maine’s only official memorial to the Underground Railroad.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Floor-to-ceiling frescoes by local art students cover the interior of a nearly 200-year-old church.

Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.

On Waikīkī Beach, a monument to four extraordinary individuals of dual male and female spirits who brought the healing arts from Tahiti to Hawai'i.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

The oldest private residence in New York City.

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

Much of what constituted mid-century Liverpool now litters a beach outside of town.

When waves crash onto this section of beach, the rocks sing a song.

This architectural onion has an original 1930's Jerry O'Mahony dining car at its core.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

After giving up Michelin glamour for his Amish faith, one chef now makes stellar sausages in a small, off-the-grid shop.

This rock in the middle of a river in Jayuya contains dozens of Pre-Columbian Taíno petroglyphs.

A 150-square-foot masterpiece of American landscape art is the crown jewel of this library and art gallery in Vermont.

On the shores of Lake Superior, a small group of monks makes sacred sweets.

Rich red almandine gemstones are waiting inside the volcanic rock strewn across this eastern Nevada hillside.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

The longest hedge maze in the world.