The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

A retired subway car stands alone in a field in the middle of Queens.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

The beauty of urban decay, hiding some dark secrets.

This mysterious marker puzzles pedestrians and infuriates geographers.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

This spectacular track has run continuously since 1882.

It's home to the antenna that received the first images of Neil Armstrong walking on the moon.

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

The ruined remains of a coal mining ghost town are hidden within the woods.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

An abandoned stretch of highway, deteriorating next to the operational one.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

An artist's cute bronze subway sculptures belie his violent artistic past.

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

A terrific purveyor of natural history objects and curios.