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

This replica of the Greek structure is in the heart of Nashville.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Historic funicular railway, believed to be the shortest railroad in the world.

The home of a famed utopian science fiction author has been preserved long after his predicted future in the year 2000.

Mined to a depth of 240 meters with a perimeter of about 1.6 km, the largest hand-dug excavation in the world.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Science fiction's grandfather has a fittingly marvelous tomb.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Jesus' footprints and the first catacombs in the world.

A walk through the historic city center, under the streets of Seattle.

An ancient iron pillar in Delhi that seems to be rustproof.

The world's largest drain sits below the city of Kasukabe, Japan.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Take a walk in a recreation of ancient Rome.

This classic restaurant features a gorgeous mirror-clad room.

A museum of carnival attractions where you are invited to ride the rides.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The history of radiation is on safe display at the foot of a radiation science laboratory.

A surrealist timepiece by the artist of melting clocks.

A mechanized clock where a man fights off a dragon, crab, and rooster.

A unrivaled and rather horrifying collection of wax dermatological models.

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

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.