The ancestral home of beloved English poet Lord Byron has a bizarre history.

The simple gravesite of a Romany clan leader is dotted with offerings, including cans of her favorite drink, Crush orange soda.

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

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

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

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

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

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

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

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

A museum dedicated to the alleged Roswell Incident.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A sprawling collection of over 106,000 toys from around the world.

The site of Billy the Kid’s most famous escape and the end to the Lincoln County War.