Tijuana's legendary jai alai or "basque ball" palace is now a massive music venue.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A chilly monument dedicated to the French explorer, Jean-Baptiste Charcot.

The best place to send your postcards home from Antarctica.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

A monument commemorating the role of Alaska's native Tlingit guides in the Klondike Gold Rush.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

The facade of this relic from the Klondike gold rush is decorated with over 8,800 pieces of driftwood.

Originally a brothel during the Klondike Gold Rush, this bar once used dolls to denote when ladies were working.

It's safe—and permitted—to walk across these twin natural sandstone arches.

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

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

Obscure Freemasons still live in D.C.’s largest private residence.

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

The largest cemetery for enslaved people in Loudoun County was almost lost to history, if not for the research of a minister.

The first fresco Diego Rivera painted in the United States can be found in the former San Francisco Stock Exchange.

A man-made island in scenic San Francisco Bay.

This shop specializes in oddities and Victorian-inspired wonders.