The first park built over a freeway is a brutalist masterwork.

This working class sculpture pounds his hammer all the livelong day.

A wall of chewing gum moonlights as collective art.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

A downtown park built on top of unclaimed graves.

This old-world mansion with lush gardens is a gem in the heart of Silicon Valley.

A fearsome dragon clings to a corner of Munich's city hall.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

Nestled on the banks of a river in Nuremberg is a small museum that was once home of the city's official executioner.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A wealth of pop culture statuary and green chile dishes give this roadside restaurant clout.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A controversial memorial at the place where Captain Cook met his violent end.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The largest self-built castle in the U.S., six decades in the making.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

The highest bridge in America was built for an almost unnervingly small amount of money.

This naturally-sourced hot spring is now home to a clothing-optional resort.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.