This massive roadside mascot was the first version of the giant to illustrate his butt.

A late-19th century diversion canal built by hand crosses Bryce Canyon National Park and is still in use.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

The fifth-longest natural arch in the world, and the longest outside China.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The unusual patterns in this rock formation result from two distinct modes of weathering.

The mysterious “claw marks” said to be left by the Devil on Pisa’s famous cathedral.

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

This small, but beautiful waterfall has attracted visits from artists, composers, and two United States presidents.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

Half of a waterfall goes into the river while the other half seems to disappear.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A historic structure inspired by Roman, Muslim, and Jewish bath houses.

Kissing the ass of this stone lioness has become a rite of passage in the city of Girona.

Designed by Gustave Eiffel before his famed tower.

These fly sculptures are scattered around the city and represent the patron saint of Girona.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.