Europe's official "zero-level," the equator of elevation.

This church was transported brick by brick from the ruins of a 16th-century city into Panama City's current historic district.

Norway's oldest cathedral still in use.

A stunning architectural yet functional feat, towering over Oslo.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The world's largest frame offers spectacular views of the city's past and present.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This indoor ski resort has a mountain contained inside a mall.

A unique configuration of blown glass can be found inside this hotel lobby.

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

This historic, palatial theater is now one of the world’s most beautiful bookstores.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Constructed on the ruins of a convent, this tower saved countless lives.

Abandoned bull fighting ring, slowly falling apart in Uruguay.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

The remains of Uruguayan hero José Artigas lie beneath a monument in Montevideo’s main square.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Where sweethearts leave their love locks in the Uruguayan capital.

An epic sculpture depicting a wagon and straining oxen.

The only castle in North America to ever house European sovereigns.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.