Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

The land is home to swimming ponies and a legendary 18th-century treasure.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The 28,000-year-old specimen is remarkably intact.

Decades before the scandal, this staircase on the river was a literal "water gate."

The Ryerss mansion in Burholme Park now houses a community library and a museum filled with a trove of oddities from around the world.

The United States Capitol's former columns still stand.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

There’s a hidden military meme engraved on the World War II Memorial.

This museum explores the grim reality of life in the earliest British colonies in America.

Mysterious rocks that ring musically when struck.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

The southernmost outpost of the Russian Empire in colonial America.

On holy holidays, Israel's second president used this room atop Mount Zion as a refuge to read the Torah.

The remains of this ancient fortress atop a manmade hill look as though they were built into a volcano.