Ruins of an old sugar mill sitting quietly next to a park in rural Florida.

The celebrated eyesore created by starry-eyed sweethearts.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The narrowest street in Paris.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A mysterious castle built as a monument to lost love.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

This impeccably preserved farmstead is a time capsule of a Pulitzer Prize-winning novelist's life.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

This kitsch eatery is chock-a-block with bric-a-brac.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

Historic Hull Street was actually the first street with a proper name in the Boston area.

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

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

The site of Paul Revere's historic two lantern warning.