This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

Dramatic river bend surrounds a natural red-rocked pedestal.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

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

Try not to get slimed in Tribeca.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A psychedelic labyrinth on the San Francisco bay.

Furniture tries to escape an abandoned building in San Francisco.

This shop specializes in oddities and Victorian-inspired wonders.

Inside this museum, the history of the Walt Disney Family empire is on full display.

This unique sanctuary invites you to interact with the beautiful birds.

Most-visited and most-photographed slot canyon in the American Southwest.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A former department store turned into a quirky restaurant.

An incredible airplane graveyard sits outside this small museum dedicated to preserving aviation history.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

The eroded core of an ancient volcano is now accessible by a short hike.

The first permanent memorial to a unique secret weapon of World War II.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Take a monster truck tour around an ostrich farm in the middle of the desert.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.