A showcase of engineering might that was also symbolic of westward expansion.

This work of engineering is imbued with elegance and ingeniousness.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

Located along historic Route 66, this former gas station has been restored and converted into a museum filled with vintage motorcycles.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

This medieval footbridge in the Swiss Alps is known to attract cliff-jumping daredevils.

The world's longest and deepest train tunnel.

Giant nude woman of Tijuana is also the artist's home.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

The most unusual block in Brasília.

A house mixing elements of Chinese and Mexican architecture stands as a tribute to the Chinese-Mexican bishop who lived here.

One of the holiest places in the region, devotees come to Tirta Empul to bathe in the holy spring water.

A plaque bearing the names of those who dedicated themselves to protecting Budapest's Jewish population during World War II.

An attractive alpine lake at 8,400 feet that is accessible via a paved road.

Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

This sanctuary is home to donkeys who finally get to rest after a life of toil.

One of the two original gateways into the Kasbah, this gateway is a nesting site for storks.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

North Africa's first museum of its kind preserves the culture of Moroccan women and their artistic achievements. 

This vast masterpiece of Moroccan architecture spreads across 20 acres.

This amazing oasis of art and plants is hidden on the outskirts of Marrakesh.

A Moroccan getaway in the mountain range that plays the Himalayas' stunt double.