Botero's plump bronze horse presiding over Barcelona's airport terminal

Legend has it a commoner volunteered to be buried alive in the foundation so that the great fortress could be built.

Historic Hull Street was actually the first street with a proper name in the Boston area.

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

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A trail weaves through the verses of a poem illustrated by stone sculptures inspired by Native American pictographs.

For roadside fast food, pull over at the giant orange.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

San Francisco Bay's ghost town.

A hidden subterranean installation offers a view of the sky.

A 300-ship graveyard, with a few still visible at low tide.

An artsy hidden staircase leads to breathtaking views of San Francisco.

An eccentric park and pool.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

An essential stop before plundering, BYO Cutlass.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

A psychedelic labyrinth on the San Francisco bay.

A huge musical instrument played by the ocean.

The remains of a ruined mansion memorialize the 1906 earthquake.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.