Look closely and you’ll notice that the color changes a third of the way up the tower.

She stares out across six lanes of traffic, clutching a musket and infant with determination.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The last bastion of Roman presence north of the Alps looms over a German town.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Singapore's landscaping project is home to 18 incredible Supertrees.

The unbelievably opulent home built for an infamous newspaperman.

Suburban observatory was personal lab of the father of modern astrophysics.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

A former major munitions plant that has been converted into a sprawling art space.

Come for the flowers, stay for the bats!

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

A monument to the center of the North American continent may be off by a few miles.

A true roadside icon standing on the same plains that the herds once roamed.

The remnants of an early American attempt at missile defense.