Garden dedicated to native carnivorous plants and site of huge flytrap heist.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

A historic covered bridge, only one of two remaining in North Carolina.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

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

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

The world's largest fire hydrant is supposedly tornado-proof.

An old train trestle re-imagined as an Egyptian obelisk.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

This scented city oasis was a labor of love.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

A psychological self-portrait in the form of a giant, segmented head.

A wedding chapel, vintage clothing shop, and bar all under one roof.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

A three-table eatery sits inside the home-kitchen of a seafood virtuoso in Bangkok's Chinatown.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

In the basement of the U.S. Capitol Building is a hidden storage room full of ornate floor tiles leftover from the 1850s.

An Industrial Revolution-era public work that purified water using nothing but sand.