The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Watch cheese-flipping robots in action at this factory and museum.

A Neolithic burial site built 1,000 years before Stonehenge.

This French chateau is home to the world’s largest private collection of fighter jets.

Pompeii's less famous neighbor is still revealing her secrets.

A charming beach town in Turkey captures all the colors of the rainbow.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

This ancient market is often referred to as the oldest shopping mall in the world.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

A replica of the home of a famous fictional troll family.

Grotto replete with mystical designs laid out in glued shell mosaics.

This forgotten chalk mine was reopened thanks to a massive effort from the local community.

Overlooking the seaside town of Margate stands a tribute to an artist's lover.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Elevated freight railway turned wildly successful urban park.

The most confusing clock in New York.

Red frames showcase remnants of one of New York's original subway stations.

The only subway station in the city that still makes use of gap fillers.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

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

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.