A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

The United States Capitol's former columns still stand.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Inspired by a dream, a hermit carved out a home in this sandstone bank to live a life of contemplation and prayer.

Wander among the abandoned ruins of this once-powerful medieval town.

This Arctic mining town is home to a cat that's spent years masquerading as a fox.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

A rare view of a preserved Victorian science museum.

A layered tribute to the work of mosaicist Isaiah Zagar.

This towering statue of Jesus provided internet to the surrounding area.

A room hidden behind a swinging shelf in the children's section.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

The oldest public library in Ireland.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.