An ancient Egyptian temple in the middle of Madrid, Spain.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The historic home still shows the scars from a little run-in with the British in 1813.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

An award-winning children’s garden enchants visitors at the intersection of natural beauty and fairy tales.

World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Where you can hail your favorite fictional commanders-in-chief.

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

The most magical part of this Latin American and Caribbean art museum is a room covered in beautiful blue tiles from floor to ceiling.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

This Brazilian town built by Freemasons is full of colonial Masonic architecture and symbolic imagery.

A bright little alley in La Boca is a part of tango history.