A historic town sits upon the site of a long-lost 18th-century trading community.

One of New Jersey's oldest churches is a historical treasure trove.

A wooden theatre that remains the heart of a charming Victorian-era New Jersey enclave.

Memorial built in 1922 in remembrance of WWI casualties.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

The boulder on which Alexander Hamilton laid his head after a deadly duel can still be visited on the New Jersey coast.

The final resting place of one of the United States's greatest poets.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

One of the last mosaic tile facades found in the city.

An 18th-century townhouse that once hosted guests of the president.

This groundbreaking 16th-century map is known as "America's birth certificate."

Obscure Freemasons still live in D.C.’s largest private residence.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

Home to a vast and influential collection of Shakespeareana.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A painfully obvious spy house sits right across the street from the Russian Embassy.

This grand gothic brewery has been pumping out suds for over a hundred years.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.