The island residents are known for taking their quirky sense of humor with them to the grave.

This grisly headstone doesn’t seem to be resting in peace.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

This translucent sculpture represents a quintessential component of New York City's skyline.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

One of few surviving standpipe water towers in the U.S.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A hurricane-stricken oak tree has been reborn as a beautiful chainsaw artwork.

Walk through Czech history in Prague's largest graveyard.

Scattered around Atlanta are little doors with big charm.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Art Deco urban decay at this historical building.

This research center for rare prosimians is studying how they sleep to help prolong human life.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

The curiosities and wonders of pharmacy in a delightful historic building.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The world's longest known cave system.