Coins and medals straight from the mint await visitors to this shop in the nation's capital.

A line of blue paint marks the route of the inaugural parade.

Hideout of thieves, monks, and goat-footed gods.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This legendary city has been a tourist attraction for centuries.

Monasteries on rock pillars, once accessible only by frayed ropes.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

One Pittsburgh musician's decades-in-the-making memorabilia collection is on display at this rock-n-roll curio shop.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

A unique workspace where offices reside on pirate ships and inside gingerbread houses.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

Alexander Hamilton’s creation caused quite a bit of controversy.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

Hundreds of protractors affixed to surfaces all over the city.

The abandoned coal loading dock is a canvas for unsanctioned art.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.