Legendary site where an evil bishop was devoured by rodents.

Tiny castle in the middle of the Rhine made you pay to pass.

An intricate and amazing house built by architect Karl Junker.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

This historic stone bridge has an entire neighborhood clinging to its sides.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

Mountain where Jesus was first tempted by the Devil.

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

This cemetery features modernist statues as strange as its name.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

Largest island in the Baltic Sea experiences such idyllic weather that roses bloom in the middle of December.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

Old Danish castle immortalized in Shakespeare's Hamlet.

The celebrated eyesore created by starry-eyed sweethearts.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

A living time capsule of the 1960s Richardson Bay water-front.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.