This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The oldest surviving botanic garden in the United States.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This elaborate towering structure was once famed for its revolutionary height.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

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

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

A 20-meter (65-foot) robot towers over Tokyo Bay.

This 700-year-old street food market features baby octopus and soy donuts.

A collection of full-size movie monsters opened to the public.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

Sniff the Titan Arum's rotting flesh.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

One of only two commuter aerial tramways in the United States.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.