The hallucinogenic center of the ancient world.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

Tucked between a side street and a theater, this arch once led to a prestigious riding school, and now opens to a courtyard and community garden.

When new viceroys were elected, they passed through this arch to cement the title.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

The origin of the Nixon tapes is rooted in technological incompetence as much as secrecy.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The remains of this visionary community can still be found much as it was a century ago.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

Moonbows over Kentucky.

The world's longest known cave system.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This moving cemetery sphere is a slowly rolling stone.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

An office built to look like a giant basket.

The largest earthwork effigy in the world.

This magnificent Cincinnati graveyard is also a popular public park.

An art deco ice cream shop covered in vintage tiles.