Elevated freight railway turned wildly successful urban park.

An ever-changing gathering of crude wooden figures haunts the St. Lawrence River.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A giant Troll lurks under one of Seattle's oldest bridges.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Free public park and gardens filled with peacocks and peahens.

Try not to get slimed in Tribeca.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A modern day curiosity cabinet.

The ghostly remains of an accidental sea.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A huge musical instrument played by the ocean.

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

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Giant heads occasionally litter the industrial Houston neighborhood where sculptor David Adickes has his studio.

The 40-foot-tall votive candle is the largest of its kind.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

A private collection of massive steel monsters guarding a Texas pipe works.