This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

The last of nine massive kilns that produced many of the red bricks for buildings in Washington, D.C. and northern Virginia in the early 20th century.

Come for the Italian food, stay for the taxidermy and giant statues.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.

A humble plaque marks the site where the country music legend was found dead in his Cadillac.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

At this former Prohibition speakeasy, electric birds signaled the arrival of hooch.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

Time travel with sweets across history at this research-based candy store.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Rumors persist that a bottle of whiskey is sealed within this Demijohn-shaped adornment.

There aren't too many operational funiculars around, but Pittsburgh has two!

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

This hidden treasure provides a charming access point along the south side of Baker Park.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

World War II bunker still standing on the New Jersey beach.