A 19th century family buried their dead among the pines, beneath gravestones styled after ancient Scottish cairns.

An abandoned mine where dreams of quicksilver trickled away over 75 years ago.

Search for traces of the dinosaurs that roamed here more than 90 million years ago.

Civil War dumping ground for the bodies of terrorized Union sympathizers.

A 131-year-old wunderkammer of Texas history.

A few steps from the site of the Tlatelolco massacre, this museum tells the story of Mexico's 1968 student protests.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

This homegrown adoption center offers a wonderland of feline companionship.

Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

A key producer of charcoal iron in the early 1800s, the structure still stands today.

The first full-scale tunnel built in America is short but scenic.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

This collection of bronze hands comes from astronauts, presidents, baseball greats, and more.

An abandoned, decaying sculpture garden built by an eccentric physician in the 1920s now looks more like a forgotten cemetery.

The 19th-century ruins hide deep in an overgrown forest.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

This underwater old Texas hill town only resurfaces during harsh drought.

Ruins of a once-opulent grand Victorian resort.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

An abandoned munitions storage facility with a rich architectural history.

Home to the oldest operating roller coaster in the Southern Hemisphere.

A throwback to 1980's gaming nostalgia.