Fittingly, America's museum of architecture is itself a magnificently designed old building.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

The largest permanent Monopoly board makes one of the longest games even bigger.

St. Augustine's record-setting narrow street was designed to protect against pirates.

Just below the surface, shrimp are producing temperatures hotter than the sun.

"We Seceded Where Others Failed."

An icon among Florida's pre-Disney tourist attractions.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

This kitsch eatery is chock-a-block with bric-a-brac.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A tribute to Ponce de Leon's supposed quest for eternal youth.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A mysterious castle built as a monument to lost love.

An abandoned water sports stadium that has become a haven for graffiti and decay.

Former villa and estate of James Deering developed to preserve native tropical forests.

Where monkeys run wild and the humans are caged.

A century and a half of research in the sciences and natural history, still going strong.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

The miraculous hydrant that saved the Mission District in 1906.

Appropriation-friendly collection of books, periodicals, and more.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A collection of 20th-century automata, penny arcade games, and musical contraptions.