In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A bizarre house filled with an astounding array of collections.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The blinking light atop the iconic landmark has been sending secret messages for decades.

A tribute to the movie stars who fought to keep Beverly Hills separate from Los Angeles.

A natural dome made of volcanic glass in Inyo National Forest.

This legendary urban waterfall creates a dazzling display of rainbows.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The unbelievably opulent home built for an infamous newspaperman.

A 19th-century Baja cantina that many say is the birthplace of the margarita.

Towering basalt columns, a creation of fire and ice.