This historic Art Nouveau townhouse was the former home of the son of a famous chemical inventor and industrialist.

A lovely biographical museum in the artist's home of 24 years.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

Ozymandias’ time-keeping temple.

Quito's historic, main square dates back to the 16th century.

A battle between nature and architecture in the Cambodian jungle.

Khmer Rouge's high security prison.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

100 massive sculptures in the Hudson River Valley.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

Every year, the colorful murals of Montreal get a complete makeover.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

The famous artist couple lived and worked here, in two different houses connected by a bridge.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Home to items never before seen by the public.

A Japanese corporation has turned this small island town into living modern art gallery.

This bike path was sunk below water level for maximum wonder.

One of the deepest indoor swimming pools in the world.