Largest collection of mounted dinosaur specimens in the world.

The extensive collection of an amateur naturalist.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

The "Seinfeld" diner.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

Repository for more than 22 million pickled specimens.

The hill that gave the Massachusett tribe, and later the state, its name.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A super-sized promotional trick that is now a D.C. landmark.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.