A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The beloved home to all publications indie, erotic, and punky.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

No one knows how many bodies are in this vault in a Chicago public park.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

Tucked away amongst townhomes lies a restored, early 20th-century tea house and garden, the only remains of a historic estate.

A towering Art Deco movie palace made to look like a Mayan temple.

Statue dedicated to the star of an old television show.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A hidden grotto on the grounds of the Kane County Government Center.