Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

Breathtaking and huge 430 year old maps of Italy.

It's not a typo, now say it five times fast!

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

One of the indelible moments of the American Revolution took place at this location.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

The Cape Cod house that whaling built.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Over fifty whirling pools left by the glacial age.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Secret refuge and museum of the Duke of Florence.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The celebrated eyesore created by starry-eyed sweethearts.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.