The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

A natural wonder in south Denmark.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

A walkable map of the world, made from soil and stone by one man.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

Hans Christian Andersen for the postmodern world.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A unique post-modern public space in the middle of the Warehouse District in New Orleans.

This quaint museum in a long-running workshop is dedicated to a fixture in New Orleans lighting.

Striking images of New Orleans history, including colonizers, soldiers, Klansmen, scientists, sharecroppers, and more, are depicted in frescoes that line the walls of this transportation hub.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.

The state's oldest continuously operating museum houses more than 5,000 Civil War artifacts.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.