The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

The summer home of the largest colony of bats in the world.

A grove of colossal man-made flowers built to collect the sun's rays.

Continuing the tradition of the dime museum in style.

Unusual house, in an unusual neighborhood, home to some very unusual peanuts.

A collection of 100 brains preserved in jars on the UT campus.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

A starship has landed in Texas, a welcome break for weary travelers from a drab stretch of I-35.

It specializes in outsider art and artifacts of secret societies.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

The man who wasn't there.

A modernist landscape of water and sci-fi concrete.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

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

Cockroach Museum features roach celebrities and live hissing cockroaches.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.