These beautiful objects represent beautiful ideas.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

Impressive artifacts from Juneau's gold mining days fill this mining site-turned-museum.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Enormous, fluffy dogs frolic around this museum dedicated to a legendary Saint Bernard.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

Formerly secret, precariously perched boulders.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

The great American road trip, but smaller.

The mile-long pier stretches from a ruined fortress out into the Baltic.

Mexico's first public cable car soars over the congested streets outside Mexico City.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Discover the magic in the mundane in Iceland's Museum of Everyday Life.

An abandoned settlement originally established by British colonialists in the Andaman archipelago.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This Canadian island is a veritable garden of decay with countless abandoned structures dotting the landscape.

Once the most densely populated place in the world, this island is now a ghost town.

An emerald-green grotto just a short trip from Austin.

A registered historic landmark shrouded in unsettling local legends.