One artist’s scheme to expand museum viewing hours into the evening led to the illumination of an entire city.

Wedged between two sets of row houses is an awkwardly located family graveyard.

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

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

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

The land is home to swimming ponies and a legendary 18th-century treasure.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

A museum dedicated to exhibiting remarkable outsider art.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The trials and tribulations of marking Poe’s grave.

The Siege of Naarden ended in 1814, but the cannonballs embedded in the town church remain.

This century-old street sign is a forgotten remnant of the old city.

The mirrored section takes the shape of Hebrew characters when viewed from above.

One of the Leiden's oldest pubs is also the birthplace of the Heineken star.

In the Netherlands, one of the world's largest private car collections can be found.

Home to the world's oldest functioning orrery.

A bizarre form of natural mummification was discovered in the church of this Frisian village.

Where royalty waits in the height of luxury.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

Incredible labyrinth of man made caves.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.