This now abandoned restaurant provides some of the most amazing views of Lisboa.

One man's remarkable private collection of art from around the world.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

An abandoned anti-smuggling station decays along the boundary between Portugal and Spain.

This panoramic lift provides a futuristic ride up San Pedro Mountain.

The oldest Roman lighthouse still in use.

This enormous censer uses a pulley system installed over 400 years ago.

Dedicated to one of the author's most iconic works.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

After 11 years of reconstruction work, Slovakia's finest hilltop chapel complex is finally reopen to the public.

A monument to the bloody fight against fascism in Slovakia during World War II.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

A unique hotel for the artistic soul.

This bridge was constructed from the rubble of the infamous Bastille.

The curious underground history of keeping Paris clean.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

Paris' linguistic guide to the international language of, yes, love.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

One of Jeff Koons’s largest sculptures and his first commemorative work.

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

Offal and flawless onion soup are on the menu at this restaurant that once catered to the workers of Les Halles.