A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

A pre-Columbian ceremonial and astronomical site built by the Taino Indians.

Built in 1512, the oldest cathedral in the Americas.

Columbus' failed colony in the New World.

This replica medieval European village in the Dominican Republic was built by a Hollywood set designer.

The first hospital in the New World.

Collection of fossils, plants, and ancient animals encased in amber.

The final resting place of Christopher Columbus - or possibly someone else.

An eccentric German artist built this weird and wondrous castle packed with shocking sculptures and alien art.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

Renowned restaurant tucked in a cave once occupied by buccaneers.

Washington's iconic carousel has a nice piece of Civil Rights history.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

An overlooked tribute to one of the most important peace deals in American history.

Corn-inthian columns with a uniquely American take on neoclassical architecture.

A promising candidate for the lost rock laid by George Washington was unearthed, but the hunt is still on.

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

Also known as the Founding Church of Scientology.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.