House built with over 60,000 glass bottles.

This enchanting forest trail leads to ethereal abodes and a giant bird's nest.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The "first cat," "first dog," and even a presidential pygmy hippo all get their due in this museum.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

Tragedy on Little Brewster Island memorialized.

These whimsical works of art tell the story of the city's past and present.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

A beautiful Victorian-era cemetery, complete with a miniature village.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A celebration of capitalism in Midtown.

A dilapidated dock tells the story of Titanic's missed arrival.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Century-old shop, specializing in Occult products.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

This beloved marketplace mascot poops money and grants good luck.

The first American department store, and home to the largest operating musical instrument in the world.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.